{"id":98259,"date":"2026-10-08T09:26:17","date_gmt":"2026-10-08T06:26:17","guid":{"rendered":"https:\/\/twodots.gr\/?p=98259"},"modified":"2026-10-08T09:26:17","modified_gmt":"2026-10-08T06:26:17","slug":"semantic-overlays-mi-ektelesimo-layer-prompt-injection","status":"publish","type":"post","link":"https:\/\/twodots.gr\/en\/semantic-overlays-mi-ektelesimo-layer-prompt-injection\/","title":{"rendered":"Semantic Overlays: \u03ad\u03bd\u03b1 \u00ab\u03bc\u03b7 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b9\u03bc\u03bf\u00bb layer \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c3\u03c4\u03bf prompt injection"},"content":{"rendered":"<div class=\"td-article-lede\">\n<p><strong>Answer first:<\/strong> \u03c4\u03b1 Semantic Overlays \u03c0\u03c1\u03bf\u03c4\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03bc\u03b7 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 provenance \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf, \u03ce\u03c3\u03c4\u03b5 \u03ad\u03bd\u03b1 span \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03b9\u03bc\u03bf \u03b1\u03bb\u03bb\u03ac \u03bf\u03b9 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b1 \u03bc\u03b7 \u03b8\u03b5\u03c9\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b9\u03bc\u03b5\u03c2. \u03a4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c3\u03c4\u03bf prompt injection \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ac \u03c3\u03c4\u03b1 \u03c0\u03ad\u03bd\u03c4\u03b5 benchmarks \u03c4\u03b7\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2, \u03cc\u03bc\u03c9\u03c2 \u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae, \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c3\u03c9\u03c3\u03c4\u03cc marking \u03c3\u03c4\u03bf serving stack \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03b4\u03b9\u03ba\u03b1\u03b9\u03ce\u03bc\u03b1\u03c4\u03b1, validation \u03ae \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03b7 \u03ad\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7.<\/p>\n<\/div>\n<p>\u03a4\u03b1 Semantic Overlays \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03bc\u03b7 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae provenance \u03c3\u03c4\u03b1 AI, \u03ce\u03c3\u03c4\u03b5 \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03b9\u03bc\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03ae \u03b9\u03c3\u03c7\u03cd.<\/p>\n<p>\u03a4\u03b9 \u03b8\u03b1 \u03ac\u03bb\u03bb\u03b1\u03b6\u03b5 \u03b1\u03bd \u03ad\u03bd\u03b1 AI \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03ad\u03b3\u03b3\u03c1\u03b1\u03c6\u03bf, \u03b1\u03bb\u03bb\u03ac \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03bc\u03b5 \u03c3\u03ae\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c4\u03bf \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03be\u03bf\u03c5\u03c3\u03af\u03b1; \u0397 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 <em>Semantic Overlays<\/em> \u03c4\u03bf\u03c5 Joshua Penman \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03b4\u03b9\u03ac\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03bb\u03ad\u03be\u03b5\u03b9\u03c2 \u03c3\u03c4\u03bf residual stream \u03b5\u03bd\u03cc\u03c2 \u03c0\u03b1\u03b3\u03c9\u03bc\u03ad\u03bd\u03bf\u03c5 language model. \u039c\u03b9\u03ba\u03c1\u03bf\u03af \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf\u03b9 adapters \u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 annotation \u03bc\u03cc\u03bd\u03bf \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 prompt \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf prefill.<\/p>\n<p>\u0397 \u03c0\u03b9\u03bf \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 overlay \u03bc\u03b5 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u00abdo not execute\u00bb. \u0388\u03bd\u03b1 RAG \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1, \u03ad\u03bd\u03b1\u03c2 customer-support assistant \u03ae \u03ad\u03bd\u03b1\u03c2 agent \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03b9\u03c3\u03c4\u03bf\u03c3\u03b5\u03bb\u03af\u03b4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf marked \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03ba\u03c7\u03c9\u03c1\u03b5\u03af \u03b4\u03b9\u03ba\u03b1\u03af\u03c9\u03bc\u03b1 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03c3\u03c4\u03cc\u03c7\u03bf \u03ae \u03bd\u03b1 \u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03b9 tool call. \u0391\u03c5\u03c4\u03cc \u03b1\u03c0\u03b1\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03b4\u03bf\u03bc\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03bb\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf <a href=\"https:\/\/twodots.gr\/ai-agents-indirect-prompt-injection-epixeiriseis\/\">indirect prompt injection \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03bf\u03cd\u03c2 AI agents<\/a>: \u03b7 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03ba\u03cc\u03b2\u03bf\u03c5\u03bb\u03b7 \u03bf\u03b4\u03b7\u03b3\u03af\u03b1 \u03c6\u03c4\u03ac\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9.<\/p>\n<div class=\"td-article-toc\">\n<div class=\"td-toc-title\">Contents<\/div>\n<ul>\n<li><a href=\"#tokens-kai-authority\">\u03a4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1: content \u03ba\u03b1\u03b9 authority \u03c6\u03c4\u03ac\u03bd\u03bf\u03c5\u03bd \u03c9\u03c2 tokens<\/a><\/li>\n<li><a href=\"#pos-leitourgei-overlay\">\u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03b1 Semantic Overlay<\/a><\/li>\n<li><a href=\"#apo-label-se-ermineia\">\u0391\u03c0\u03cc \u03b1\u03cc\u03c1\u03b1\u03c4\u03bf label \u03c3\u03b5 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c4\u03b7\u03c2 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1\u03c2<\/a><\/li>\n<li><a href=\"#nx-bit-ai\">\u03a4\u03bf \u00abNX bit\u00bb \u03b3\u03b9\u03b1 \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf<\/a><\/li>\n<li><a href=\"#apotelesmata-benchmarks\">\u03a4\u03b9 \u03ad\u03b4\u03b5\u03b9\u03be\u03b1\u03bd \u03c4\u03b1 \u03c0\u03ad\u03bd\u03c4\u03b5 prompt-injection benchmarks<\/a><\/li>\n<li><a href=\"#anagnosimotita-kostos\">\u0397 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9, \u03cc\u03c7\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2<\/a><\/li>\n<li><a href=\"#replication-oria\">Replication \u03ba\u03b1\u03b9 \u03cc\u03c1\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03c1\u03c5\u03c6\u03c4\u03bf\u03cd\u03bd<\/a><\/li>\n<li><a href=\"#rag-ecommerce-support\">\u03a4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03b3\u03b9\u03b1 RAG, e-commerce \u03ba\u03b1\u03b9 customer support<\/a><\/li>\n<li><a href=\"#amyna-polla-layer\">\u0393\u03b9\u03b1\u03c4\u03af \u03b7 \u03ac\u03bc\u03c5\u03bd\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 layers<\/a><\/li>\n<li><a href=\"#production-pilot\">\u03a0\u03ce\u03c2 \u03c3\u03c4\u03ae\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf production pilot<\/a><\/li>\n<li><a href=\"#stratigiki-axia\">\u0397 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae \u03b1\u03be\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b9\u03b4\u03ad\u03b1\u03c2<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"tokens-kai-authority\">\u03a4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1: content \u03ba\u03b1\u03b9 authority \u03c6\u03c4\u03ac\u03bd\u03bf\u03c5\u03bd \u03c9\u03c2 tokens<\/h2>\n<p>\u039c\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c0\u03bf\u03cd \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03c4\u03bc\u03ae\u03bc\u03b1 \u03c4\u03bf\u03c5 context. \u039e\u03ad\u03c1\u03b5\u03b9 \u03c0\u03bf\u03b9\u03bf \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 developer instruction, \u03c0\u03bf\u03b9\u03bf \u03b3\u03c1\u03ac\u03c6\u03c4\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7, \u03c0\u03bf\u03b9\u03bf \u03b1\u03bd\u03b1\u03ba\u03c4\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc website \u03ae vector database \u03ba\u03b1\u03b9 \u03c0\u03bf\u03b9\u03bf \u03b5\u03c0\u03ad\u03c3\u03c4\u03c1\u03b5\u03c8\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf. \u03a4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf, \u03cc\u03bc\u03c9\u03c2, \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03bc\u03b9\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1 tokens. \u0391\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd delimiters \u03ae role labels, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03cd\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03be\u03bf\u03c5\u03c3\u03af\u03b1 \u03ba\u03ac\u03b8\u03b5 span \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c0\u03bf\u03c5 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf.<\/p>\n<p>\u0395\u03b4\u03ce \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 prompt injection. \u0388\u03bd\u03b1 \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b9\u03bc\u03b7\u03b8\u03b5\u03af label, \u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03b9\u03c3\u03c4\u03b5\u03af \u03c9\u03c2 \u03bf\u03b4\u03b7\u03b3\u03af\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03c1\u03bf\u03c4\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ae \u03bd\u03b1 \u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03bd\u03b1 \u03b1\u03b3\u03bd\u03bf\u03ae\u03c3\u03b5\u03b9 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf\u03c5\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2. \u039f\u03b9 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ac\u03bc\u03c5\u03bd\u03b5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd in-band: \u03b7 \u03ac\u03bc\u03c5\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03bf \u03b5\u03c0\u03b9\u03c4\u03b9\u03b8\u03ad\u03bc\u03b5\u03bd\u03bf\u03c2 \u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bc\u03ad\u03c3\u03bf. \u0397 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf serving stack \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 out-of-band \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 \u03c0\u03bf\u03c5 \u03c4\u03b1 tokens \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd.<\/p>\n<p>\u0393\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7, \u03c4\u03bf \u03c1\u03af\u03c3\u03ba\u03bf \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf AI \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 product descriptions, reviews, tickets, emails, PDFs, web search \u03ae tool output. \u03a4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac authority \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf\u03bd agent. \u0388\u03bd\u03b1 \u03ce\u03c1\u03b9\u03bc\u03bf <a href=\"https:\/\/twodots.gr\/agentic-ai-security-stack-controls-technologikes-ependyseis\/\">agentic AI security stack<\/a> \u03be\u03b5\u03ba\u03b9\u03bd\u03ac \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03b9\u03c3\u03bc\u03cc \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03b5 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1, \u03b1\u03c0\u03cc\u03c6\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7.<\/p>\n<aside class=\"td-article-note\"><strong>\u03a4\u03bf \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf boundary:<\/strong> provenance \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c6\u03c1\u03ac\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03c4\u03bf prompt. \u0395\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b3\u03bd\u03ce\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03ad\u03bb\u03b5\u03c5\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 span \u03ba\u03b1\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03b7 \u03ad\u03be\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03b5\u03b9 \u03bf \u03b5\u03c0\u03b9\u03c4\u03b9\u03b8\u03ad\u03bc\u03b5\u03bd\u03bf\u03c2.<\/aside>\n<h2 id=\"pos-leitourgei-overlay\">\u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03b1 Semantic Overlay<\/h2>\n<p>\u03a3\u03c4\u03b1 \u03ba\u03cd\u03c1\u03b9\u03b1 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1, \u03ad\u03bd\u03b1 overlay set \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03ad\u03bd\u03b1\u03bd \u03bc\u03b9\u03ba\u03c1\u03cc adapter \u03c3\u03c4\u03b7\u03bd \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03ba\u03ac\u03b8\u03b5 decoder layer \u03c4\u03bf\u03c5 frozen Qwen3.5-9B Instruct. \u03a3\u03c4\u03b9\u03c2 marked \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bf adapter \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b1 hidden state \u03ba\u03b1\u03b9, \u03cc\u03c4\u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2, \u03ad\u03bd\u03b1\u03bd \u03ba\u03c9\u03b4\u03b9\u03ba\u03cc \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 overlay. \u039c\u03ad\u03c3\u03c9 SwiGLU bottleneck \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03c4\u03af\u03b8\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf residual stream. \u03a4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac weights \u03b4\u03b5\u03bd \u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03c5\u03bd.<\/p>\n<p>\u03a4\u03bf marking \u03b5\u03af\u03bd\u03b1\u03b9 boolean mask \u03b1\u03bd\u03ac token \u03ba\u03b1\u03b9 overlay \u03c3\u03c4\u03b9\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 prefill. \u039f\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ad\u03c2 \u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03b5\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03c9\u03bd activations \u03c3\u03c4\u03b9\u03c2 marked \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 KV cache, \u03b5\u03bd\u03ce \u03c4\u03bf decode \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03bf stock model. \u0395\u03ac\u03bd \u03ad\u03bd\u03b1 \u03b1\u03af\u03c4\u03b7\u03bc\u03b1 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 overlay, \u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03b5\u03ba\u03b5\u03af\u03bd\u03b7 \u03c4\u03bf\u03c5 frozen base model. \u0397 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03bd\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03bd\u03ac \u03b1\u03af\u03c4\u03b7\u03bc\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03cc \u03c0\u03bb\u03ae\u03c1\u03b5\u03c2 fine-tune.<\/p>\n<p>\u0391\u03c5\u03c4\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03b1\u03c0\u03bb\u03cc steering vector. \u03a4\u03bf overlay \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 end-to-end \u03b3\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac, \u03b1\u03bd\u03c4\u03b9\u03b4\u03c1\u03ac \u03c3\u03c4\u03b7\u03bd \u03c4\u03bf\u03c0\u03b9\u03ba\u03ae activation state \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c3\u03c4\u03bf span \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 annotation. \u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ac overlays \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03ad\u03c3\u03bf\u03c5\u03bd \u03c3\u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 tokens: \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ad\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03af\u03b4\u03b9\u03bf pre-edit state \u03ba\u03b1\u03b9 \u03b1\u03b8\u03c1\u03bf\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9, \u03ce\u03c3\u03c4\u03b5 \u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac.<\/p>\n<p>\u0397 \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b8\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03ae \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b1. \u03a4\u03bf \u03b5\u03c0\u03af\u03c3\u03b7\u03bc\u03bf artifact \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af plugin interface \u03c4\u03bf\u03c5 vLLM, \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 training \u03ba\u03b1\u03b9 evaluation pipeline \u03b3\u03b9\u03b1 \u03b4\u03cd\u03bf frozen base models \u03ba\u03b1\u03b9 \u03b4\u03b7\u03bc\u03bf\u03c3\u03b9\u03b5\u03cd\u03b5\u03b9 adapters \u03ba\u03b1\u03b9 corpus. \u0391\u03c5\u03c4\u03cc \u03b2\u03bf\u03b7\u03b8\u03ac \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03b1\u03c0\u03cc \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03c5 \u03c4\u03bf prototype \u03c3\u03b5 \u03ad\u03c4\u03bf\u03b9\u03bc\u03bf enterprise control.<\/p>\n<h2 id=\"apo-label-se-ermineia\">\u0391\u03c0\u03cc \u03b1\u03cc\u03c1\u03b1\u03c4\u03bf label \u03c3\u03b5 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c4\u03b7\u03c2 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1\u03c2<\/h2>\n<p>\u03a0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1, \u03c4\u03bf paper \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03b1\u03bd \u03c4\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b1\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1. \u0394\u03ce\u03b4\u03b5\u03ba\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03bf\u03c5\u03bd \u00abhighlighted\u00bb, \u00abunderlined\u00bb \u03ba\u03b1\u03b9 \u00abcircled\u00bb \u03bc\u03b5 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b1 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1. \u0388\u03c9\u03c2 \u03b4\u03ad\u03ba\u03b1 spans \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd marks, \u03b5\u03bd\u03ce \u03c3\u03c4\u03b7 \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03b7 \u03b5\u03ba\u03b4\u03bf\u03c7\u03ae \u03ad\u03c9\u03c2 \u03c4\u03c1\u03af\u03b1 overlays \u03c3\u03c4\u03bf\u03b9\u03b2\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 tokens.<\/p>\n<p>\u039f embedding-conditioned shared MLP, \u03bc\u03b5 84 \u03b5\u03ba\u03b1\u03c4\u03bf\u03bc\u03bc\u03cd\u03c1\u03b9\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5\u03c2, \u03c0\u03ad\u03c4\u03c5\u03c7\u03b5 99,5% exact span retrieval \u03ba\u03b1\u03b9 100% \u03c3\u03c9\u03c3\u03c4\u03ae \u03ac\u03c1\u03bd\u03b7\u03c3\u03b7 \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03b6\u03b7\u03c4\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf mark \u03b1\u03c0\u03bf\u03c5\u03c3\u03af\u03b1\u03b6\u03b5 \u03c3\u03c4\u03b1 \u03bc\u03b7 \u03b5\u03c0\u03b9\u03ba\u03b1\u03bb\u03c5\u03c0\u03c4\u03cc\u03bc\u03b5\u03bd\u03b1 spans. \u03a3\u03c4\u03b1 stacked marks \u03b5\u03af\u03c7\u03b5 87,0% stack readout \u03ba\u03b1\u03b9 per-line F1 0,94. \u03a4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b1\u03c4\u03cc token marker.<\/p>\n<p>\u03a3\u03b5 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1, \u03ad\u03bd\u03b1 overlay \u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1 code snippet \u03b1\u03bd\u03ae\u03ba\u03b5\u03b9 \u03c3\u03b5 \u03ac\u03bb\u03bb\u03b7 \u03b3\u03bb\u03ce\u03c3\u03c3\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b1\u03c0\u03cc \u03b5\u03ba\u03b5\u03af\u03bd\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03c7\u03bd\u03bf\u03c5\u03bd \u03c4\u03b1 tokens. \u038c\u03c4\u03b1\u03bd \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03ba\u03b1\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03b9 \u03c4\u03bf Python snippet, \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03c4\u03b7\u03bd overlay identity. \u038c\u03c4\u03b1\u03bd \u03ba\u03b1\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9, \u03c4\u03bf \u03be\u03b1\u03bd\u03b1\u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b7\u03bb\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b3\u03bb\u03ce\u03c3\u03c3\u03b1 \u03c3\u03c4\u03bf 97% \u03c4\u03c9\u03bd cases \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c4\u03bf task \u03c3\u03c4\u03bf 91% \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd judge. \u03a4\u03bf overlay \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 tag \u03b3\u03b9\u03b1 \u03bc\u03b5\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03ba\u03c4\u03b7\u03c3\u03b7\u00b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03c4\u03bf \u03c0\u03ce\u03c2 \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf span.<\/p>\n<p>\u0397 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03b7 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 latent command. \u03a4\u03bf safety refusal \u03ba\u03b1\u03b9 \u03c4\u03b1 nested bullets \u03ad\u03c6\u03c4\u03b1\u03c3\u03b1\u03bd 100%, \u03c4\u03b1 \u03ba\u03b5\u03c6\u03b1\u03bb\u03b1\u03af\u03b1 89%, \u03c4\u03b1 \u03b3\u03b5\u03c1\u03bc\u03b1\u03bd\u03b9\u03ba\u03ac 81% \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b9\u03c3\u03c0\u03b1\u03bd\u03b9\u03ba\u03ac 74%, \u03b5\u03bd\u03ce \u03b7 \u03b5\u03be\u03ae\u03b3\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b4\u03b5\u03ba\u03ac\u03c7\u03c1\u03bf\u03bd\u03bf \u03ad\u03bc\u03b5\u03b9\u03bd\u03b5 \u03c3\u03c4\u03bf 29% \u03ba\u03b1\u03b9 \u03c4\u03bf haiku \u03c3\u03c4\u03bf 18%. \u0386\u03c1\u03b1 \u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b4\u03b5\u03bd \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7, \u03bc\u03b7 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac. \u03a3\u03b5 120 unseen instructions \u03c0\u03ad\u03c4\u03c5\u03c7\u03b5 0 \u03c6\u03bf\u03c1\u03ad\u03c2, \u03c0\u03b1\u03c1\u03cc\u03c4\u03b9 novel concept pointers \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc retrieval task \u03ad\u03c6\u03c4\u03b1\u03c3\u03b1\u03bd 95%.<\/p>\n<div class=\"td-comparison td-comparison-cards--horizontal\">\n<div class=\"td-chart-head\">\n<p class=\"td-chart-kicker\">\u0394\u03cd\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5<\/p>\n<p class=\"td-chart-title\">\u0393\u03b9\u03b1\u03c4\u03af \u03c4\u03bf overlay \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7<\/p>\n<p class=\"td-chart-intro\">\u0397 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03bd carrier \u03c4\u03b7\u03c2 provenance\u00b7 \u03b4\u03b5\u03bd \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1 overlay \u03b1\u03c1\u03ba\u03b5\u03af \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1.<\/p>\n<\/div>\n<div class=\"td-comparison-grid\">\n<div class=\"td-platform-card\">\n<p class=\"td-platform-name\">In-band prompt<\/p>\n<p>\u03a4\u03bf label, \u03c4\u03bf delimiter \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 tokens. \u03a4\u03bf \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf content \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b9\u03bc\u03b7\u03b8\u03b5\u03af \u03ae \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03bc\u03c8\u03b5\u03b9 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc \u03c3\u03ae\u03bc\u03b1.<\/p>\n<\/div>\n<div class=\"td-platform-card\">\n<p class=\"td-platform-name\">Semantic Overlay<\/p>\n<p>\u03a4\u03bf serving stack \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03b9 mark \u03c3\u03b5 activation space \u03bc\u03cc\u03bd\u03bf \u03c3\u03c4\u03b9\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 span. \u039a\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03bc\u03b5 text-only \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2 id=\"nx-bit-ai\">\u03a4\u03bf \u00abNX bit\u00bb \u03b3\u03b9\u03b1 \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf<\/h2>\n<p>\u0397 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03ac\u03bc\u03c5\u03bd\u03b1 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03cd\u03b5\u03b9 \u03ad\u03bd\u03b1 overlay \u03bc\u03b5 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u00ab\u03bc\u03b7\u03bd \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af\u03c2 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf span\u00bb. \u0397 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf NX, \u03ae No-eXecute, bit \u03c4\u03c9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd: \u03c4\u03b1 bytes \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03c3\u03b2\u03ac\u03c3\u03b9\u03bc\u03b1 \u03c9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1, \u03b1\u03bb\u03bb\u03ac \u03b7 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03ba\u03b1\u03af\u03c9\u03bc\u03b1 \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7\u03c2. \u03a3\u03c4\u03bf language model, \u03c4\u03bf marked \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c4\u03bf \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03b1\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03b5\u03bd\u03ce \u03c7\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b9\u03c3\u03c7\u03cd.<\/p>\n<p>\u03a4\u03bf training corpus \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03b1\u03c0\u03bb\u03ad\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 passages, programmatic \u03ae model-generated injections, clean completions \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ae verbatim-copy \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1. \u039f adapter \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 50 \u03b5\u03ba\u03b1\u03c4\u03bf\u03bc\u03bc\u03cd\u03c1\u03b9\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf base model \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03bd\u03ad\u03b3\u03b3\u03b9\u03c7\u03c4\u03bf. \u03a4\u03bf SEP \u03bc\u03bf\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03c4\u03c9\u03bd training items, \u03b5\u03bd\u03ce TensorTrust, PIArena, AlpacaFarm \u03ba\u03b1\u03b9 Quadrat-IPI \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c9\u03c2 zero-shot transfer.<\/p>\n<p>\u0397 \u03c0\u03c1\u03bf\u03cb\u03c0\u03cc\u03b8\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03bf\u03bc\u03b9\u03ba\u03ae: \u03c4\u03bf deployment \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c0\u03bf\u03b9\u03b1 spans \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03c0\u03b7\u03b3\u03ae \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03bf mask. \u03a4\u03bf overlay \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03c5 provenance. \u0395\u03ac\u03bd \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf serving stack \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b2\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03ae \u03c4\u03b1\u03be\u03b9\u03bd\u03bf\u03bc\u03ae\u03c3\u03b5\u03b9 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03ad\u03bd\u03b1 span, \u03c4\u03bf \u03bc\u03b7 \u03c0\u03bb\u03b1\u03c3\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03ae\u03c3\u03b9\u03bc\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 \u03b4\u03b5\u03bd \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf upstream \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1.<\/p>\n<p>\u0391\u03c5\u03c4\u03cc \u03c4\u03bf boundary \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c3\u03b5 \u03ad\u03bd\u03b1 <a href=\"https:\/\/twodots.gr\/private-chatbot-rag-knowledge-base-business\/\">private chatbot \u03bc\u03b5 RAG \u03ba\u03b1\u03b9 \u03b9\u03b4\u03b9\u03cc\u03ba\u03c4\u03b7\u03c4\u03b7 knowledge base<\/a>. \u03a4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af source identity, version, trust class \u03ba\u03b1\u03b9 permissions \u03c0\u03c1\u03b9\u03bd \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf prompt. \u03a4\u03bf overlay \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 controls \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf, \u03cc\u03c7\u03b9 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 provenance \u03b5\u03ba \u03c4\u03c9\u03bd \u03c5\u03c3\u03c4\u03ad\u03c1\u03c9\u03bd.<\/p>\n<h2 id=\"apotelesmata-benchmarks\">\u03a4\u03b9 \u03ad\u03b4\u03b5\u03b9\u03be\u03b1\u03bd \u03c4\u03b1 \u03c0\u03ad\u03bd\u03c4\u03b5 prompt-injection benchmarks<\/h2>\n<p>\u03a3\u03c4\u03b1 9.160 items \u03c4\u03bf\u03c5 SEP, \u03bc\u03b5 \u03c4\u03bf\u03bd \u03b4\u03b9\u03bf\u03c1\u03b8\u03c9\u03bc\u03ad\u03bd\u03bf \u03ba\u03b1\u03bd\u03cc\u03bd\u03b1 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2, \u03c4\u03bf separation \u03b1\u03bd\u03ad\u03b2\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc 24,3% \u03c3\u03b5 99,0%. \u0397 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03b7\u03b8\u03b5\u03af probe \u03c0\u03bf\u03c5 \u03b2\u03c1\u03b9\u03c3\u03ba\u03cc\u03c4\u03b1\u03bd \u03c3\u03c4\u03bf data span \u03ad\u03c0\u03b5\u03c3\u03b5 \u03b1\u03c0\u03cc 71,8% \u03c3\u03b5 1,0%, \u03b5\u03bd\u03ce \u03c4\u03bf utility \u03bc\u03b5\u03c4\u03b1\u03ba\u03b9\u03bd\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc 92,3% \u03c3\u03b5 92,6%. \u039c\u03b5 \u03c4\u03bf\u03bd \u03b4\u03b7\u03bc\u03bf\u03c3\u03b9\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf grader, \u03bf\u03b9 separation \u03c4\u03b9\u03bc\u03ad\u03c2 \u03ae\u03c4\u03b1\u03bd 23,9% \u03ba\u03b1\u03b9 97,5%.<\/p>\n<p>\u03a3\u03c4\u03bf TensorTrust, \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 776 hijacking \u03ba\u03b1\u03b9 570 extraction rows, \u03c4\u03bf hijacking attack success rate \u03ad\u03c0\u03b5\u03c3\u03b5 \u03b1\u03c0\u03cc 34,8% \u03c3\u03b5 6,2% \u03ba\u03b1\u03b9 \u03c4\u03bf extraction \u03b1\u03c0\u03cc 38,1% \u03c3\u03b5 5,4%. \u03a4\u03bf Defense Validity \u03bc\u03b5\u03b9\u03ce\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc 100% \u03c3\u03b5 96,1%, \u03ac\u03c1\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae \u03c4\u03b7\u03c2 \u03b3\u03bd\u03ae\u03c3\u03b9\u03b1\u03c2 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2. \u039f\u03b9 \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03bf harness \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf substring scoring \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c5\u03c0\u03bf\u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7.<\/p>\n<p>\u03a3\u03c4\u03bf PIArena, \u03c4\u03bf frozen Qwen3.5-9B \u03c5\u03c0\u03ac\u03ba\u03bf\u03c5\u03b5 \u03c3\u03c4\u03bf 97,5% \u03c4\u03c9\u03bd direct injections \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf SQuAD v2, \u03b5\u03bd\u03ce \u03bc\u03b5 overlay \u03b7 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03ad\u03c0\u03b5\u03c3\u03b5 \u03c3\u03c4\u03bf 0%. \u03a3\u03c4\u03b1 HotpotQA \u03ba\u03b1\u03b9 NQ \u03b7 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03b5\u03c0\u03af\u03b8\u03b5\u03c3\u03b7\u03c2 \u03ad\u03c0\u03b5\u03c3\u03b5 \u03b1\u03c0\u03cc 53% \u03c3\u03b5 0,5%. \u03a4\u03bf \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03cc non-zero case \u03ae\u03c4\u03b1\u03bd scoring artifact: \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03c0\u03b1\u03c1\u03ad\u03b8\u03b5\u03c3\u03b5 \u03c4\u03b7 \u03c6\u03c1\u03ac\u03c3\u03b7 phishing \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03b7\u03bd \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03c3\u03b5\u03b9 \u03c4\u03ad\u03c7\u03bd\u03b1\u03c3\u03bc\u03b1, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b5 \u03c4\u03b7\u03bd \u03bf\u03b4\u03b7\u03b3\u03af\u03b1. \u03a3\u03b5 400 completions, \u03ba\u03b1\u03bd\u03ad\u03bd\u03b1 \u03b4\u03b5\u03bd \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b5 \u03c4\u03bf injection.<\/p>\n<p>\u03a3\u03c4\u03bf AlpacaFarm \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 static attacks \u03c4\u03bf\u03c5 StruQ, \u03b7 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03ad\u03c0\u03b5\u03c3\u03b5 \u03b1\u03c0\u03cc 99,0% \u03c3\u03b5 0,0% \u03c3\u03c4\u03b1 208 input-bearing items. \u03a3\u03c4\u03bf Quadrat-IPI, \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 14.441 verified injected documents, \u03b7 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03ad\u03c0\u03b5\u03c3\u03b5 \u03b1\u03c0\u03cc 6,3% \u03c3\u03b5 0,1%. \u0395\u03c0\u03b5\u03b9\u03b4\u03ae \u03c4\u03b1 harnesses \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ba\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd, \u03bf\u03b9 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03c7\u03c9\u03bd\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b5\u03bd\u03b9\u03b1\u03af\u03bf \u00ab\u03b2\u03b1\u03b8\u03bc\u03cc \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2\u00bb.<\/p>\n<div class=\"td-chart td-chart--metrics\">\n<div class=\"td-chart-head\">\n<p class=\"td-chart-kicker\">\u039c\u03b5\u03c4\u03c1\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1<\/p>\n<p class=\"td-chart-title\">\u03a0\u03ce\u03c2 \u03ac\u03bb\u03bb\u03b1\u03be\u03b5 \u03b7 prompt-injection \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5 \u03c4\u03bf overlay<\/p>\n<p class=\"td-chart-intro\">\u039a\u03ac\u03b8\u03b5 \u03ba\u03ac\u03c1\u03c4\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf\u03c5 benchmark\u00b7 \u03bf\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03af \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03bf\u03cd\u03c4\u03b5 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd production SLA.<\/p>\n<\/div>\n<div class=\"td-metric-grid\">\n<div class=\"td-metric-card\"><span class=\"td-metric-value\">24,3% \u2192 99,0%<\/span><span class=\"td-metric-label\">SEP separation, corrected grader<\/span><\/div>\n<div class=\"td-metric-card\"><span class=\"td-metric-value\">34,8% \u2192 6,2%<\/span><span class=\"td-metric-label\">TensorTrust hijacking ASR<\/span><\/div>\n<div class=\"td-metric-card\"><span class=\"td-metric-value\">99,0% \u2192 0,0%<\/span><span class=\"td-metric-label\">AlpacaFarm attack success<\/span><\/div>\n<div class=\"td-metric-card\"><span class=\"td-metric-value\">6,3% \u2192 0,1%<\/span><span class=\"td-metric-label\">Quadrat-IPI compliance<\/span><\/div>\n<\/div>\n<\/div>\n<p>\u039f\u03b9 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03bf\u03c5\u03bd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 paired \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03af\u03b4\u03b9\u03bf\u03c5 frozen model \u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 overlay. \u0394\u03b5\u03bd \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03c4\u03bf prompt injection \u00ab\u03bb\u03cd\u03b8\u03b7\u03ba\u03b5\u00bb. \u038c\u03c0\u03c9\u03c2 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 <a href=\"https:\/\/twodots.gr\/ai-benchmark-harness-allazei-nikiti\/\">AI benchmark \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf harness \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03c4\u03bf\u03bd \u03bd\u03b9\u03ba\u03b7\u03c4\u03ae<\/a>, \u03c4\u03bf scoring rule, \u03c4\u03bf witness, \u03c4\u03bf task framing \u03ba\u03b1\u03b9 \u03c4\u03bf utility metric \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ac \u03bf \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2.<\/p>\n<h2 id=\"anagnosimotita-kostos\">\u0397 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9, \u03cc\u03c7\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2<\/h2>\n<p>\u039c\u03b9\u03b1 \u03ac\u03bc\u03c5\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c6\u03b1\u03b9\u03c1\u03b5\u03af \u03ae \u03bc\u03c0\u03bb\u03bf\u03ba\u03ac\u03c1\u03b5\u03b9 \u03cc\u03bb\u03bf \u03c4\u03bf \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7 \u03b4\u03b5\u03c7\u03b8\u03b5\u03af injection, \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c4\u03bf RAG use case. \u03a4\u03bf Semantic Overlay \u03c3\u03c4\u03bf\u03c7\u03b5\u03cd\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac: \u03c4\u03bf \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03b5\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03b9\u03bc\u03bf. \u03a3\u03b5 500 held-out passages, \u03c4\u03bf marked span \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03b7\u03ba\u03b5 character-exact \u03c3\u03c4\u03bf 86,6% \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03c9\u03bd, \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 98,4% \u03c7\u03c9\u03c1\u03af\u03c2 overlay. \u039a\u03ac\u03b8\u03b5 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b5\u03af\u03c7\u03b5 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 95% character similarity \u03ba\u03b1\u03b9 \u03b7 \u03c7\u03b5\u03b9\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03ad\u03c6\u03c4\u03b1\u03c3\u03b5 98,0%.<\/p>\n<p>\u03a4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b1\u03bb\u03bb\u03ac \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03b1\u03c3\u03b9\u03b1\u03ba\u03ae \u03b1\u03bb\u03bb\u03bf\u03af\u03c9\u03c3\u03b7 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03ae\u03c1\u03b1. \u03a3\u03b5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03af\u03bb\u03b7\u03c8\u03b7 \u03b1\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf \u03bd\u03cc\u03b7\u03bc\u03b1. \u03a3\u03b5 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1, SKU, IBAN, \u03bd\u03bf\u03bc\u03b9\u03ba\u03ae \u03c1\u03ae\u03c4\u03c1\u03b1, credential \u03ae \u03c0\u03bf\u03c3\u03cc, \u03ad\u03bd\u03b1\u03c2 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03ae\u03c1\u03b1\u03c2 \u03b1\u03c1\u03ba\u03b5\u03af \u03b3\u03b9\u03b1 \u03c3\u03bf\u03b2\u03b1\u03c1\u03cc \u03bb\u03ac\u03b8\u03bf\u03c2. \u0397 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 task-specific fidelity tests \u03ba\u03b1\u03b9 deterministic validation \u03b3\u03b9\u03b1 \u03c0\u03b5\u03b4\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03c0\u03b9\u03c3\u03c4\u03ae \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae.<\/p>\n<p>\u03a4\u03bf paper \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af \u03c4\u03bf 0% attack success \u03b5\u03bd\u03cc\u03c2 detector \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03b9\u03c3\u03bf\u03b4\u03cd\u03bd\u03b1\u03bc\u03bf \u03bc\u03b5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03ae, \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7. \u0388\u03bd\u03b1\u03c2 detector \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bb\u03bf\u03ba\u03ac\u03c1\u03b5\u03b9 \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7 \u03b4\u03b5\u03c7\u03b8\u03b5\u03af injection, \u03b1\u03bb\u03bb\u03ac \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03cc utility. \u03a3\u03c4\u03b7 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 HotpotQA\/NQ, \u03c4\u03bf overlay \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 0,5% attack \u03ba\u03b1\u03b9 95,1% utility retention, \u03b5\u03bd\u03ce \u03bf\u03b9 detection \u03ba\u03b1\u03b9 prevention \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5 trade-off.<\/p>\n<aside class=\"td-article-note\"><strong>\u0391\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03b9\u03bc\u03bf \u03b4\u03b5\u03bd \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ad\u03c2:<\/strong> \u03c4\u03bf overlay \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c4\u03bf \u03bd\u03cc\u03b7\u03bc\u03b1 \u03c4\u03bf\u03c5 marked span \u03c0\u03bf\u03bb\u03cd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 block-all control, \u03b1\u03bb\u03bb\u03ac \u03bf\u03b9 character-exact \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b5\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03cc validator \u03cc\u03c0\u03bf\u03c5 \u03ad\u03bd\u03b1\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03ae \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03ae\u03c1\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf\u03c2.<\/aside>\n<h2 id=\"replication-oria\">Replication \u03ba\u03b1\u03b9 \u03cc\u03c1\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03c1\u03c5\u03c6\u03c4\u03bf\u03cd\u03bd<\/h2>\n<p>\u0397 do-not-execute \u03ac\u03bc\u03c5\u03bd\u03b1 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03cd\u03c4\u03b7\u03ba\u03b5 \u03be\u03b1\u03bd\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c3\u03b5 frozen Llama-3.1-8B-Instruct. \u03a3\u03c4\u03bf SEP \u03c4\u03bf separation \u03c0\u03ae\u03b3\u03b5 \u03b1\u03c0\u03cc 31,0% \u03c3\u03b5 96,2%, \u03c3\u03c4\u03bf TensorTrust \u03c4\u03bf hijacking ASR \u03b1\u03c0\u03cc 68,9% \u03c3\u03b5 4,4% \u03ba\u03b1\u03b9 \u03c4\u03bf extraction \u03b1\u03c0\u03cc 74,2% \u03c3\u03b5 7,7%. \u039a\u03b1\u03b9 \u03bf\u03b9 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 PIArena \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b5\u03c2 \u03ad\u03c6\u03c4\u03b1\u03c3\u03b1\u03bd 0% attack success. \u0397 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b5 \u03c0\u03b1\u03bb\u03b1\u03b9\u03cc\u03c4\u03b5\u03c1\u03bf data mix, \u03b4\u03b5\u03bd \u03b5\u03c0\u03b1\u03bd\u03ad\u03bb\u03b1\u03b2\u03b5 AlpacaFarm \u03ae Quadrat-IPI \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03ad\u03bb\u03b1\u03b2\u03b5 \u03c4\u03bf adaptive red team.<\/p>\n<p>\u0397 \u03c5\u03c0\u03cc\u03c3\u03c7\u03b5\u03c3\u03b7 \u03bc\u03b7 \u03c0\u03bb\u03b1\u03c3\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf threat model. \u0388\u03bd\u03b1\u03c2 attacker \u03bc\u03b5 text-only \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf activation-space channel. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03cc\u03bc\u03c9\u03c2 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03b9 \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c0\u03bf\u03c5 \u03bd\u03b9\u03ba\u03ac \u03c4\u03b7\u03bd \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac, \u03b5\u03bd\u03ce \u03ad\u03bd\u03b1\u03c2 compromised serving stack \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03b5\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2 \u03ae \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 mark. \u039f\u03b9 222 adaptive black-box probes \u03b4\u03b5\u03bd \u03c0\u03ad\u03c4\u03c5\u03c7\u03b1\u03bd direct authority attack, \u03b1\u03bb\u03bb\u03ac optimization-based \u03b5\u03c0\u03af\u03b8\u03b5\u03c3\u03b7 \u03b4\u03b5\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 red-team engagement \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7.<\/p>\n<p>\u03a4\u03bf do-not-execute overlay \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03cc. \u0394\u03b5\u03bd \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03cd\u03b5\u03b9 \u03b9\u03b5\u03c1\u03b1\u03c1\u03c7\u03af\u03b1 \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c3\u03c5\u03bd\u03b5\u03c0\u03ce\u03c2 \u03cc\u03c4\u03b1\u03bd \u03bc\u03b9\u03b1 trusted instruction \u03b6\u03b7\u03c4\u03ac \u03c1\u03b7\u03c4\u03ac \u00ab\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b5 \u03c4\u03b1 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 marked \u03b5\u03b3\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5\u00bb. \u03a4\u03b1 \u03ba\u03cd\u03c1\u03b9\u03b1 channel experiments \u03ad\u03b3\u03b9\u03bd\u03b1\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 base model \u03ba\u03b1\u03b9 \u03bc\u03af\u03b1 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1. \u0397 replication \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03b7\u03bd injection \u03ac\u03bc\u03c5\u03bd\u03b1, \u03cc\u03c7\u03b9 \u03c4\u03b1 marks, \u03c4\u03b1 language overlays \u03ae \u03c4\u03b1 transform channels.<\/p>\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03c4\u03b1 attacks \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c6\u03c4\u03ac\u03bd\u03bf\u03c5\u03bd \u03c9\u03c2 \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c3\u03b5 single-turn prompts. \u0394\u03b5\u03bd \u03bc\u03b5\u03c4\u03c1\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd multi-turn agent loops \u03cc\u03c0\u03bf\u03c5 injected content \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03b1\u03c0\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1, \u03bc\u03bd\u03ae\u03bc\u03b7 \u03ae \u03ac\u03bb\u03bb\u03bf\u03c5\u03c2 agents. \u03a4\u03bf compute overhead \u03c3\u03c4\u03b1 marked prefill positions \u03bf\u03c1\u03b9\u03bf\u03b8\u03b5\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b8\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03ac \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc 1% \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 adapter \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf 9B base, \u03b1\u03bb\u03bb\u03ac end-to-end latency \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c6\u03b9\u03bb\u03b9\u03c3\u03c4\u03b5\u03af.<\/p>\n<h2 id=\"rag-ecommerce-support\">\u03a4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03b3\u03b9\u03b1 RAG, e-commerce \u03ba\u03b1\u03b9 customer support<\/h2>\n<p>\u03a3\u03b5 \u03ad\u03bd\u03b1\u03bd e-commerce assistant, product pages, reviews \u03ba\u03b1\u03b9 marketplace feeds \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd \u03c3\u03b5 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac, \u03b4\u03b9\u03b1\u03b8\u03b5\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b7. \u0394\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ce\u03bd, \u03bd\u03b1 \u03b6\u03b7\u03c4\u03bf\u03cd\u03bd password \u03ae \u03bd\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03b1\u03b3\u03bf\u03c1\u03ac. \u0388\u03bd\u03b1 overlay \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c3\u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03cc\u03c4\u03b9 \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 spans \u03b5\u03af\u03bd\u03b1\u03b9 data-only, \u03b5\u03c6\u03cc\u03c3\u03bf\u03bd \u03c4\u03bf pipeline \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7\u03bd provenance \u03c4\u03bf\u03c5\u03c2.<\/p>\n<p>\u03a3\u03c4\u03bf customer support, email \u03ba\u03b1\u03b9 ticket attachments \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03ba\u03b1\u03ba\u03cc\u03b2\u03bf\u03c5\u03bb\u03b5\u03c2 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2. \u03a4\u03bf overlay \u03b4\u03b5\u03bd \u03b1\u03c0\u03bf\u03c6\u03b1\u03c3\u03af\u03b6\u03b5\u03b9 \u03c0\u03bf\u03b9\u03bf\u03c2 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b7\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03ba\u03b1\u03af\u03c9\u03bc\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03c7\u03c1\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03b5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bb\u03b7\u03c1\u03c9\u03bc\u03ae. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03c3\u03b5 policy engine, allowlist \u03ba\u03b1\u03b9 approval gate. \u0397 \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03c9\u03bd <a href=\"https:\/\/twodots.gr\/dynamika-dikaiomata-ai-agents-elachisti-prosvasi\/\">\u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ce\u03bd \u03b4\u03b9\u03ba\u03b1\u03b9\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03b3\u03b9\u03b1 AI agents<\/a> \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03bf marked content.<\/p>\n<p>\u03a3\u03b5 marketing research, webpages, competitor pages \u03ba\u03b1\u03b9 reports \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd facts, \u03cc\u03c7\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b5\u03c2 \u03c3\u03c4\u03bf\u03bd agent. \u03a4\u03bf log \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03bf\u03b9\u03b1 spans \u03bc\u03b1\u03c1\u03ba\u03b1\u03c1\u03af\u03c3\u03c4\u03b7\u03ba\u03b1\u03bd, \u03b1\u03c0\u03cc \u03c0\u03bf\u03b9\u03b1 \u03c0\u03b7\u03b3\u03ae \u03c0\u03c1\u03bf\u03ae\u03bb\u03b8\u03b1\u03bd, \u03c0\u03bf\u03b9\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b6\u03b7\u03c4\u03ae\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03b9\u03bf policy gate \u03c4\u03bf \u03b5\u03bd\u03ad\u03ba\u03c1\u03b9\u03bd\u03b5. \u0388\u03bd\u03b1 <a href=\"https:\/\/twodots.gr\/airep-apodeiktiko-apofaseon-ai-runtime\/\">\u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03c4\u03b9\u03ba\u03cc \u03ba\u03ac\u03b8\u03b5 \u03b1\u03c0\u03cc\u03c6\u03b1\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 AI runtime<\/a> \u03b2\u03bf\u03b7\u03b8\u03ac \u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03b8\u03b5\u03af \u03cc\u03c7\u03b9 \u03bc\u03cc\u03bd\u03bf \u03b7 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03c4\u03bf boundary \u03c0\u03bf\u03c5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03c4\u03b7\u03ba\u03b5.<\/p>\n<h2 id=\"amyna-polla-layer\">\u0393\u03b9\u03b1\u03c4\u03af \u03b7 \u03ac\u03bc\u03c5\u03bd\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 layers<\/h2>\n<p>\u03a4\u03b1 Semantic Overlays \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bb\u03cd\u03c3\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1: \u03c0\u03ce\u03c2 \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1 span \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b7 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b9\u03bc\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 forgeable text. \u0394\u03b5\u03bd \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd sanitization \u03c4\u03bf\u03c5 output, \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd tool permissions, \u03b4\u03b5\u03bd \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03bf\u03c5\u03bd business rules \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03bf\u03cd\u03bd \u03bc\u03b9\u03b1 \u03ae\u03b4\u03b7 \u03b5\u03be\u03bf\u03c5\u03c3\u03b9\u03bf\u03b4\u03bf\u03c4\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b1\u03bb\u03bb\u03ac \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.<\/p>\n<p>\u0397 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03ac\u03bc\u03c5\u03bd\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 layers: provenance \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf prompt, marking \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf prefill, least privilege \u03c3\u03c4\u03b1 tools, schema validation \u03c3\u03c4\u03b1 arguments, allowlists, sandbox \u03b3\u03b9\u03b1 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1, \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03b7 \u03ad\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c5\u03c8\u03b7\u03bb\u03cc \u03c1\u03af\u03c3\u03ba\u03bf, output filtering \u03b3\u03b9\u03b1 secrets \u03ba\u03b1\u03b9 monitoring \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1. \u03a4\u03bf OWASP \u03b4\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ae \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7: structured separation, validation, human-in-the-loop, least privilege \u03ba\u03b1\u03b9 comprehensive monitoring \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9.<\/p>\n<p>\u0397 \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1 \u03b5\u03bd\u03cc\u03c2 control \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c1\u03ba\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03cc\u03c3\u03bc\u03bf. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc \u03bc\u03ac\u03b8\u03b7\u03bc\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 <a href=\"https:\/\/twodots.gr\/enterprise-ai-harnesses-diakyvernisi-architektoniki\/\">enterprise AI harnesses \u03c0\u03bf\u03c5 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b4\u03b9\u03b1\u03ba\u03c5\u03b2\u03ad\u03c1\u03bd\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03c4\u03b5\u03ba\u03c4\u03bf\u03bd\u03b9\u03ba\u03ae<\/a>. \u03a4\u03bf overlay \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b7\u03b8\u03b5\u03af \u03b7 injected instruction\u00b7 \u03c4\u03bf harness \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c5\u03bc\u03b2\u03b5\u03af \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03b1\u03c5\u03c4\u03ae \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b7\u03b8\u03b5\u03af.<\/p>\n<div class=\"td-decision-band\">\n<p class=\"td-decision-kicker\">Production decision<\/p>\n<p class=\"td-decision-title\">\u039c\u03b7\u03bd \u03b1\u03b3\u03bf\u03c1\u03ac\u03b6\u03b5\u03c4\u03b5 \u00ab\u03bb\u03cd\u03c3\u03b7 prompt injection\u00bb\u00b7 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf trust boundary<\/p>\n<p>\u0397 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 source provenance, \u03c3\u03c9\u03c3\u03c4\u03cc span marking, fidelity, attack success, false refusal, tool permissions, deterministic validators, audit trail, rollback \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03bf owner \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c5\u03c8\u03b7\u03bb\u03bf\u03cd \u03c1\u03af\u03c3\u03ba\u03bf\u03c5.<\/p>\n<\/div>\n<h2 id=\"production-pilot\">\u03a0\u03ce\u03c2 \u03c3\u03c4\u03ae\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf production pilot<\/h2>\n<p>\u0388\u03bd\u03b1 pilot \u03b4\u03b5\u03bd \u03be\u03b5\u03ba\u03b9\u03bd\u03ac \u03bc\u03b5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ae \u03b5\u03bd\u03c4\u03bf\u03bb\u03ae \u00ab\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac\u03c4\u03b5\u03c5\u03c3\u03b5 \u03c4\u03bf\u03bd agent\u00bb. \u039e\u03b5\u03ba\u03b9\u03bd\u03ac \u03b1\u03c0\u03cc \u03bc\u03af\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03c1\u03bf\u03ae \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 untrusted content \u03b1\u03bb\u03bb\u03ac \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c4\u03c1\u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03bd\u03c9\u03c3\u03c4\u03ad\u03c2. \u0397 \u03af\u03b4\u03b9\u03b1 \u03c1\u03bf\u03ae \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 frozen baseline \u03c7\u03c9\u03c1\u03af\u03c2 overlay, \u03af\u03b4\u03b9\u03bf dataset, \u03af\u03b4\u03b9\u03bf tool policy \u03ba\u03b1\u03b9 \u03ba\u03bf\u03b9\u03bd\u03cc scoring \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03b1\u03bd\u03b5\u03af \u03b7 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae paired \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac.<\/p>\n<p>\u0397 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd attack success, clean-task utility, false refusal, fidelity \u03c3\u03b5 \u03bf\u03bd\u03cc\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2, latency, memory, cross-language prompts, multi-document conflicts \u03ba\u03b1\u03b9 attempts \u03c0\u03bf\u03c5 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03ac\u03bc\u03c5\u03bd\u03b1. \u0397 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1 benchmark \u03b4\u03b5\u03bd \u03b1\u03c1\u03ba\u03b5\u03af \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae, \u03cc\u03c0\u03c9\u03c2 \u03b4\u03b5\u03bd \u03b1\u03c1\u03ba\u03b5\u03af \u03bc\u03b9\u03b1 \u03ba\u03b1\u03bb\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 <a href=\"https:\/\/twodots.gr\/ai-agents-paragogi-leitourgikes-astochies\/\">AI agents \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c3\u03c9\u03c3\u03c4\u03ac \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae<\/a>.<\/p>\n<div class=\"td-step-list\">\n<p class=\"td-step-list-title\">\u0391\u03c0\u03cc \u03c4\u03bf research prototype \u03c3\u03b5 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf pilot<\/p>\n<ol>\n<li><span class=\"td-step-kicker\">Step 1<\/span><strong>\u039f\u03c1\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf untrusted surface<\/strong>\n<p>\u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03c0\u03bf\u03b9\u03b1 emails, webpages, tickets, documents \u03ae tool outputs \u03b8\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03ba\u03b1\u03b9 \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ac \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd authority.<\/p>\n<\/li>\n<li><span class=\"td-step-kicker\">Step 2<\/span><strong>\u0394\u03b9\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03c4\u03b5 provenance \u03b5\u03ba\u03c4\u03cc\u03c2 prompt<\/strong>\n<p>\u039a\u03c1\u03b1\u03c4\u03ae\u03c3\u03c4\u03b5 source identity, trust class, version \u03ba\u03b1\u03b9 owner \u03c3\u03b5 \u03b4\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03bf metadata \u03c0\u03bf\u03c5 \u03c4\u03bf \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9.<\/p>\n<\/li>\n<li><span class=\"td-step-kicker\">Step 3<\/span><strong>\u0395\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03c4\u03b5 marking \u03c3\u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc span<\/strong>\n<p>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 offsets \u03ba\u03b1\u03b9 boundaries \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf prefill, \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03cc\u03c4\u03b1\u03bd trusted \u03ba\u03b1\u03b9 untrusted \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c3\u03c5\u03bd\u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf turn.<\/p>\n<\/li>\n<li><span class=\"td-step-kicker\">Step 4<\/span><strong>\u039a\u03bb\u03b5\u03b9\u03b4\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b1 tools \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1<\/strong>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 least privilege, allowlists, schema validation \u03ba\u03b1\u03b9 approvals \u03ce\u03c3\u03c4\u03b5 \u03ba\u03b1\u03bc\u03af\u03b1 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b1\u03c1\u03ba\u03b5\u03af \u03b3\u03b9\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.<\/p>\n<\/li>\n<li><span class=\"td-step-kicker\">Step 5<\/span><strong>\u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 utility \u03bc\u03b1\u03b6\u03af<\/strong>\n<p>\u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 attack success, clean-task accuracy, false refusals \u03ba\u03b1\u03b9 fidelity \u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 overlay \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03cc dataset.<\/p>\n<\/li>\n<li><span class=\"td-step-kicker\">Step 6<\/span><strong>\u039a\u03ac\u03bd\u03c4\u03b5 defense-aware red team<\/strong>\n<p>\u0394\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03c4\u03b5 multi-turn loops, \u03c0\u03bf\u03bb\u03bb\u03ac \u03ad\u03b3\u03b3\u03c1\u03b1\u03c6\u03b1, cross-language payloads, quoting, delegation conflicts \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 overlay.<\/p>\n<\/li>\n<li><span class=\"td-step-kicker\">Step 7<\/span><strong>\u039f\u03c1\u03af\u03c3\u03c4\u03b5 rollback \u03ba\u03b1\u03b9 owner<\/strong>\n<p>\u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03ba\u03ac\u03b8\u03b5 mark \u03ba\u03b1\u03b9 tool request, \u03b4\u03b9\u03b1\u03ba\u03cc\u03c8\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03b1\u03b2\u03af\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b8\u03ad\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03b5\u03c0\u03ce\u03bd\u03c5\u03bc\u03bf \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf \u03c4\u03b7\u03bd \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03b1\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae \u03b5\u03be\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03c9\u03bd.<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<h2 id=\"stratigiki-axia\">\u0397 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae \u03b1\u03be\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b9\u03b4\u03ad\u03b1\u03c2<\/h2>\n<p>\u03a4\u03bf \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03bf \u03bc\u03ae\u03bd\u03c5\u03bc\u03b1 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b2\u03c1\u03ad\u03b8\u03b7\u03ba\u03b5 \u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03bb\u03cd\u03c3\u03b7 \u03c3\u03c4\u03bf prompt injection. \u0395\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 provenance \u03ba\u03b1\u03b9 authority \u03b4\u03b5\u03bd \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03bf\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03bb\u03ad\u03be\u03b5\u03b9\u03c2. \u038c\u03c4\u03b1\u03bd \u03bc\u03b9\u03b1 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7\u03c2, \u03b7 \u03c4\u03bf\u03c0\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03ae \u03c4\u03b7\u03c2 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c8\u03b9\u03bc\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b4\u03bf\u03bc\u03b9\u03ba\u03ae \u03b1\u03b4\u03c5\u03bd\u03b1\u03bc\u03af\u03b1.<\/p>\n<p>\u03a4\u03b1 Semantic Overlays \u03b4\u03af\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03ad\u03bd\u03b1\u03bd \u03bc\u03b7 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc \u03c4\u03c1\u03cc\u03c0\u03bf \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 span \u03ba\u03b1\u03b9 \u03c4\u03b9 \u03b4\u03b5\u03bd \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9. \u0397 paired \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c3\u03c4\u03b1 benchmarks, \u03b7 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 model family \u03ba\u03b1\u03b9 \u03c4\u03bf released artifact \u03b4\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bd \u03c3\u03bf\u03b2\u03b1\u03c1\u03cc replication. \u039f\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03af \u03cc\u03bc\u03c9\u03c2 \u03b1\u03c0\u03bf\u03ba\u03bb\u03b5\u03af\u03bf\u03c5\u03bd \u03b8\u03c1\u03b9\u03b1\u03bc\u03b2\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2: \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c0\u03bb\u03ae\u03c1\u03b7\u03c2 instruction hierarchy, \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03b5\u03af optimization-based attack, multi-turn agentic deployment \u03ae end-to-end latency.<\/p>\n<p>\u0393\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03b7 \u03ce\u03c1\u03b9\u03bc\u03b7 \u03c3\u03c4\u03ac\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 overlays \u03c9\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc control layer \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1. \u0388\u03bd\u03b1\u03c2 agent \u03bc\u03b5 <a href=\"https:\/\/twodots.gr\/ai-agents-me-oria-aftonomia-kai-krisi\/\">\u03c3\u03b1\u03c6\u03ae \u03cc\u03c1\u03b9\u03b1 \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03bf\u03bd\u03bf\u03bc\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b7<\/a> \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 provenance, permissions, validators, observability \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03b7 \u03b5\u03c5\u03b8\u03cd\u03bd\u03b7 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03cc\u03c3\u03bf \u03ba\u03b1\u03bb\u03ac \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ad\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03c3\u03c4\u03bf injected text.<\/p>\n<section class=\"td-service-cta\">\n<div class=\"td-service-cta-content\">\n<p class=\"td-service-cta-kicker\">\u0391\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03af \u03bc\u03b5 AI<\/p>\n<p class=\"td-service-cta-title\">\u03a3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 AI workflows \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03b4\u03b5\u03bd \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b9\u03ba\u03b1\u03af\u03c9\u03bc\u03b1 \u03b4\u03c1\u03ac\u03c3\u03b7\u03c2<\/p>\n<p>\u0397 TWO DOTS \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03b3\u03bd\u03ce\u03c3\u03b7, provenance, \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 tool permissions, validators, audit trail, rollback \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03b7 \u03ad\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c3\u03b5 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03ae\u03c8\u03b9\u03bc\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c1\u03bf\u03ad\u03c2.<\/p>\n<div class=\"td-service-cta-actions\"><a class=\"td-service-cta-button\" href=\"https:\/\/twodots.gr\/aftomatismoi-epicheiriseon-ai\/\">\u0394\u03b5\u03af\u03c4\u03b5 \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u0395\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03c9\u03bd &amp; AI<\/a><\/div>\n<\/div>\n<\/section>\n<section id=\"sychnes-erotiseis\" class=\"td-faq-section\">\n<div class=\"td-faq\">\n<p class=\"td-faq-heading\">Frequently Asked Questions (FAQs)<\/p>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 Semantic Overlay;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u0395\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c2 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf\u03c2 adapter \u03c0\u03bf\u03c5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 prefill \u03ba\u03b1\u03b9 \u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03bc\u03b7 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae annotation \u03c3\u03c4\u03bf residual stream \u03b5\u03bd\u03cc\u03c2 frozen language model.<\/p>\n<\/div>\n<\/details>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u03a0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 steering vector;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u0395\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 end-to-end, \u03b5\u03be\u03b1\u03c1\u03c4\u03ac \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03bf\u03c0\u03b9\u03ba\u03ae hidden state, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c3\u03c4\u03b1 marked spans.<\/p>\n<\/div>\n<\/details>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u03a4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u00abdo not execute\u00bb;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u03a4\u03bf marked \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf \u03c9\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1, \u03b1\u03bb\u03bb\u03ac \u03bf\u03b9 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03bf\u03cd\u03bd \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03ae \u03b9\u03c3\u03c7\u03cd. \u0397 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf NX bit.<\/p>\n<\/div>\n<\/details>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u039c\u03b7\u03b4\u03b5\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf prompt injection;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u038c\u03c7\u03b9 \u03c9\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ba\u03cc\u03c2 \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2. \u03a0\u03ad\u03c4\u03c5\u03c7\u03b5 \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03ac attack rates \u03c3\u03c4\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 benchmarks, \u03b1\u03bb\u03bb\u03ac optimization-based attacks \u03ba\u03b1\u03b9 multi-turn agentic deployments \u03b4\u03b5\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03c4\u03b7\u03ba\u03b1\u03bd.<\/p>\n<\/div>\n<\/details>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 fine-tuning \u03c4\u03bf\u03c5 \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03cd \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf\u03c5;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u038c\u03c7\u03b9. \u03a3\u03c4\u03b1 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b1 base weights \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd frozen \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03bf\u03b9 overlay adapters, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03bf\u03b9 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03bd\u03ac \u03b1\u03af\u03c4\u03b7\u03bc\u03b1.<\/p>\n<\/div>\n<\/details>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03c4\u03bf marked \u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b2\u03b1\u03c3\u03c4\u03b5\u03af \u03c0\u03b9\u03c3\u03c4\u03ac;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u03a3\u03b5 500 passages, \u03cc\u03bb\u03b5\u03c2 \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ad\u03c2 \u03b5\u03af\u03c7\u03b1\u03bd \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 95% character similarity, \u03b1\u03bb\u03bb\u03ac \u03b7 character-exact \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae \u03ad\u03c0\u03b5\u03c3\u03b5 \u03b1\u03c0\u03cc 98,4% \u03c7\u03c9\u03c1\u03af\u03c2 overlay \u03c3\u03b5 86,6% \u03bc\u03b5 overlay.<\/p>\n<\/div>\n<\/details>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u03a3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u03a4\u03b1 \u03ba\u03cd\u03c1\u03b9\u03b1 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03b1 \u03ad\u03b3\u03b9\u03bd\u03b1\u03bd \u03c3\u03b5 Qwen3.5-9B Instruct. \u0397 prompt-injection \u03ac\u03bc\u03c5\u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03c7\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03b9 \u03c3\u03b5 Llama-3.1-8B-Instruct, \u03cc\u03c7\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03b1 overlay capabilities.<\/p>\n<\/div>\n<\/details>\n<details class=\"td-faq-item\">\n<summary class=\"td-faq-title\">\u03a4\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1;<\/summary>\n<div class=\"td-faq-content\">\n<p>\u039d\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af provenance \u03b5\u03ba\u03c4\u03cc\u03c2 prompt, least-privilege \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1, allowlists, validation, monitoring \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03b7 \u03ad\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7. \u03a4\u03b1 overlays \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03bf layer, \u03cc\u03c7\u03b9 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd controls.<\/p>\n<\/div>\n<\/details>\n<\/div>\n<\/section>\n<div class=\"td-source-list\">\n<p id=\"piges\" class=\"td-source-list-title\">Sources<\/p>\n<ul>\n<li><a href=\"https:\/\/arxiv.org\/abs\/2608.23873\" target=\"_blank\" rel=\"noopener\">Penman \u2014 Semantic Overlays: Mitigating Prompt Injection with Annotations Beyond Tokens and Steering Vectors<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/JoshuaSP\/semantic-overlays\" target=\"_blank\" rel=\"noopener\">Semantic Overlays \u2014 \u03b5\u03c0\u03af\u03c3\u03b7\u03bc\u03bf code, training \u03ba\u03b1\u03b9 evaluation artifact<\/a><\/li>\n<li><a href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/LLM_Prompt_Injection_Prevention_Cheat_Sheet.html\" target=\"_blank\" rel=\"noopener\">OWASP \u2014 LLM Prompt Injection Prevention Cheat Sheet<\/a><\/li>\n<li><a href=\"https:\/\/www.nist.gov\/publications\/artificial-intelligence-risk-management-framework-generative-artificial-intelligence\" target=\"_blank\" rel=\"noopener\">NIST \u2014 Generative AI Profile \u03c4\u03bf\u03c5 AI Risk Management Framework<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u03a4\u03b1 Semantic Overlays \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03bc\u03b7 \u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae provenance \u03c3\u03c4\u03b1 AI, \u03ce\u03c3\u03c4\u03b5 \u03bc\u03b7 \u03ad\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03b9\u03bc\u03bf \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b9\u03ba\u03ae \u03b9\u03c3\u03c7\u03cd.<\/p>","protected":false},"author":1,"featured_media":106012,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[199],"tags":[6506,9509,18143,8233,20954],"class_list":["post-98259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-techniti-noimosyni","tag-ai-agents","tag-ai-security","tag-prompt-injection","tag-rag","tag-semantic-overlays"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/posts\/98259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/comments?post=98259"}],"version-history":[{"count":1,"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/posts\/98259\/revisions"}],"predecessor-version":[{"id":106013,"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/posts\/98259\/revisions\/106013"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/media\/106012"}],"wp:attachment":[{"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/media?parent=98259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/categories?post=98259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/twodots.gr\/en\/wp-json\/wp\/v2\/tags?post=98259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}