{"id":7800,"date":"2026-07-29T12:43:52","date_gmt":"2026-07-29T10:43:52","guid":{"rendered":"https:\/\/parlonstechs.com\/all\/?p=7800"},"modified":"2026-07-29T12:43:52","modified_gmt":"2026-07-29T10:43:52","slug":"microsoft-devoile-perception-son-armee-dagents-ia-concus-pour-automatiser-la-reponse-aux-cybermenaces","status":"publish","type":"post","link":"https:\/\/parlonstechs.com\/all\/2026\/07\/29\/microsoft-devoile-perception-son-armee-dagents-ia-concus-pour-automatiser-la-reponse-aux-cybermenaces\/","title":{"rendered":"Microsoft d\u00e9voile Perception, son arm\u00e9e d\u2019agents IA con\u00e7us pour automatiser la r\u00e9ponse aux cybermenaces"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/pic.clubic.com\/4aef7b472437036\/1600x900\/smart\/ia-cybersecurite.png\" alt=\"Microsoft d\u00e9voile Perception, son arm\u00e9e d\u2019agents IA con\u00e7us pour automatiser la r\u00e9ponse aux cybermenaces. \u00a9 Microsoft\" \/><\/p>\n<h2><strong>Microsoft vient tout juste de lever le voile sur Project Perception, un dispositif IA capable d\u2019encha\u00eener simulation d\u2019attaque, enqu\u00eate, d\u00e9tection et rem\u00e9diation. Il s\u2019appuie notamment sur MDASH et sur un nouveau mod\u00e8le sp\u00e9cialis\u00e9, MAI-Cyber-1-Flash.<\/strong><\/h2>\n<div class=\"grid-default\">\n<div class=\"row-wrapper row\">\n<div class=\"slate-content col-slate-12\">\n<p class=\"sc-9e1vpx-0 jVoltE\">Microsoft ne veut plus cantonner l\u2019intelligence artificielle \u00e0 un r\u00f4le d\u2019assistance aupr\u00e8s des analystes. Avec Perception,\u00a0<a class=\"un-styled-linked\" href=\"https:\/\/blogs.microsoft.com\/blog\/2026\/07\/27\/rethinking-security-for-the-age-of-ai\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-mrf-link=\"https:\/\/blogs.microsoft.com\/blog\/2026\/07\/27\/rethinking-security-for-the-age-of-ai\/\">le groupe pr\u00e9sente<\/a>\u00a0une architecture compl\u00e8te de s\u00e9curit\u00e9 agentique, pens\u00e9e pour automatiser une grande partie du travail men\u00e9 dans les centres op\u00e9rationnels de s\u00e9curit\u00e9, ou SoC. Attendue en pr\u00e9version publique \u00e0 partir du 3 ao\u00fbt 2026, la plateforme doit coordonner plusieurs agents IA sp\u00e9cialis\u00e9s, les faire travailler \u00e0 partir d\u2019une m\u00eame compr\u00e9hension de l\u2019environnement \u00e0 prot\u00e9ger et leur permettre d\u2019encha\u00eener des t\u00e2ches aujourd\u2019hui r\u00e9parties entre plusieurs m\u00e9tiers de la cybers\u00e9curit\u00e9.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-default\">\n<div class=\"row-wrapper row\">\n<div class=\"slate-content col-slate-12\">\n<div class=\"grid-default\"><\/div>\n<h2 class=\"sc-1u2uxcx-0 HsQQi\">Des agents qui attaquent pour mieux d\u00e9fendre<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-default\">\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"1636.27783203125\">Dans le d\u00e9tail, <strong>Perception<\/strong>\u00a0s\u2019organise autour de trois familles d\u2019agents, chacune charg\u00e9e d\u2019une \u00e9tape diff\u00e9rente de la r\u00e9ponse cyber. Les\u00a0<em>red teams<\/em>, d\u2019abord, adoptent le point de vue des attaquants. Elles recherchent les chemins susceptibles de mener \u00e0 une compromission, rep\u00e8rent les services expos\u00e9s et v\u00e9rifient si les failles d\u00e9tect\u00e9es peuvent r\u00e9ellement \u00eatre exploit\u00e9es.<\/div>\n<div data-adslot-top=\"1636.27783203125\"><\/div>\n<\/div>\n<div class=\"row-wrapper row\">\n<div class=\"slate-content col-slate-12\">\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"1797.0416259765625\">Leurs conclusions sont ensuite transmises aux<em>\u00a0blue teams<\/em>, qui prennent en charge la d\u00e9fense. Elles enqu\u00eatent sur les signaux collect\u00e9s, \u00e9valuent la menace et d\u00e9cident de la r\u00e9ponse \u00e0 apporter. Elles peuvent aussi g\u00e9n\u00e9rer des r\u00e8gles de d\u00e9tection adapt\u00e9es \u00e0 l\u2019attaque observ\u00e9e, afin de rep\u00e9rer d\u2019\u00e9ventuelles tentatives d\u2019exploitation avant que la faille ne soit corrig\u00e9e.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div data-adslot-top=\"1797.0416259765625\">\n<div class=\"grid-default\">\n<div class=\"row-wrapper row\">\n<div class=\"slate-content col-slate-12\">\n<p class=\"sc-9e1vpx-0 jVoltE\">Microsoft compl\u00e8te ce duo avec des\u00a0<em>green teams<\/em>, dont le r\u00f4le consiste \u00e0 patcher les failles identifi\u00e9es et \u00e0 renforcer l\u2019environnement. Elles peuvent modifier une r\u00e8gle de pare-feu, fermer un port, renforcer un contr\u00f4le d\u2019autorisation ou pr\u00e9parer un correctif dans le code.<\/p>\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"2089.416748046875\"><\/div>\n<\/div>\n<p class=\"sc-9e1vpx-0 jVoltE\">Ces agents ne travaillent donc pas chacun de leur c\u00f4t\u00e9. Perception les fait intervenir dans une m\u00eame boucle, de la simulation d\u2019attaque \u00e0 la rem\u00e9diation, \u00e0 partir d\u2019un contexte de s\u00e9curit\u00e9 partag\u00e9. Chaque \u00e9quipe peut ainsi exploiter les r\u00e9sultats de la pr\u00e9c\u00e9dente, sans obliger les analystes, pentesters et d\u00e9veloppeurs \u00e0 reprendre le travail \u00e0 chaque passage de relais.<\/p>\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"2250.1806640625\"><\/div>\n<\/div>\n<p class=\"sc-9e1vpx-0 jVoltE\">La plateforme s\u2019appuie pour cela sur des playbooks, des proc\u00e9dures pr\u00e9d\u00e9finies qui organisent les diff\u00e9rentes \u00e9tapes de la r\u00e9ponse \u00e0 une menace. Les \u00e9quipes peuvent lancer l\u2019un de ces sc\u00e9narios ou formuler directement leur demande en langage naturel. Elles peuvent, par exemple, demander si leur organisation est prot\u00e9g\u00e9e contre un groupe malveillant r\u00e9cemment identifi\u00e9, puis laisser Perception s\u00e9lectionner les agents \u00e0 mobiliser et les actions \u00e0 encha\u00eener.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"2440.09716796875\"><\/div>\n<\/div>\n<div class=\"row-wrapper row\">\n<div>\n<div class=\"image-content\" style=\"text-align: center;\">\n<div><picture class=\"article img-wrapper\" data-image-key=\"2437033-900-900-506-506\"><source srcset=\"\/\/pic.clubic.com\/801fb6992437033\/768x432\/smart\/projet-perception.webp 2x, \/\/pic.clubic.com\/1abcdacd2437033\/900x507\/smart\/projet-perception.webp 3x\" type=\"image\/webp\" media=\"(max-width: 768px)\" sizes=\"768px\" \/><source srcset=\"\/\/pic.clubic.com\/27a0e63e2437033\/900x506\/smart\/projet-perception.webp 1x\" type=\"image\/webp\" media=\"(min-width: 769px)\" sizes=\"900px\" \/><source srcset=\"\/\/pic.clubic.com\/dab344902437033\/768x432\/smart\/projet-perception.jpg 2x, \/\/pic.clubic.com\/84b8a9fc2437033\/900x507\/smart\/projet-perception.jpg 3x\" media=\"(max-width: 768px)\" sizes=\"768px\" \/><source srcset=\"\/\/pic.clubic.com\/a7ca41c62437033\/900x506\/smart\/projet-perception.jpg 1x\" media=\"(min-width: 769px)\" sizes=\"900px\" \/><img decoding=\"async\" class=\"radius\" src=\"https:\/\/pic.clubic.com\/a7ca41c62437033\/900x506\/smart\/projet-perception.jpg\" alt=\"Perception relie les signaux issus de l\u2019\u00e9cosyst\u00e8me Microsoft \u00e0 un contexte de s\u00e9curit\u00e9 partag\u00e9, ensuite exploit\u00e9 par ses agents red, blue et green. \u00a9 Microsoft\" \/><\/picture><\/div>\n<p>Perception relie les signaux issus de l\u2019\u00e9cosyst\u00e8me Microsoft \u00e0 un contexte de s\u00e9curit\u00e9 partag\u00e9, ensuite exploit\u00e9 par ses agents red, blue et green. \u00a9 Microsoft<\/p><\/div>\n<div><\/div>\n<div>\n<div class=\"grid-default\">\n<div class=\"row-wrapper row\">\n<div class=\"slate-content col-slate-12\">\n<h2 class=\"sc-1u2uxcx-0 HsQQi\">MDASH s\u00e9pare les failles th\u00e9oriques des risques exploitables<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-default\">\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"3028.833251953125\">Une partie de ce travail repose sur <strong>MDASH<\/strong>, le nom de code du syst\u00e8me agentique de Microsoft consacr\u00e9 aux vuln\u00e9rabilit\u00e9s logicielles. D\u00e9voil\u00e9 en mai 2026, puis int\u00e9gr\u00e9 \u00e0\u00a0Microsoft Defender, il analyse les d\u00e9p\u00f4ts de code, recherche les failles et v\u00e9rifie qu\u2019elles peuvent effectivement \u00eatre exploit\u00e9es.<\/div>\n<\/div>\n<div class=\"row-wrapper row\">\n<div class=\"slate-content col-slate-12\">\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"3160.444580078125\">MDASH doit notamment \u00e9viter que les \u00e9quipes de s\u00e9curit\u00e9 se retrouvent face \u00e0 des dizaines, voire des centaines de vuln\u00e9rabilit\u00e9s potentielles sans savoir lesquelles traiter en priorit\u00e9. Ses r\u00e9sultats peuvent ensuite \u00eatre utilis\u00e9s par les autres agents de Perception pour replacer le risque dans l\u2019environnement de l\u2019entreprise et d\u00e9terminer les mesures \u00e0 prendre.<\/div>\n<\/div>\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"3321.208251953125\"><\/div>\n<\/div>\n<p class=\"sc-9e1vpx-0 jVoltE\">Pour chaque faille, le syst\u00e8me d\u00e9taille son impact et reconstitue le chemin d\u2019attaque susceptible de mener jusqu\u2019\u00e0 elle. Ces informations sont pr\u00e9cieuses pour les \u00e9quipes de s\u00e9curit\u00e9, mais pourraient aussi servir de mode d\u2019emploi si elles tombaient entre de mauvaises mains. Microsoft pr\u00e9voit donc des droits d\u2019acc\u00e8s pr\u00e9cis pour contr\u00f4ler qui peut lancer les analyses, consulter leurs r\u00e9sultats ou g\u00e9rer les vuln\u00e9rabilit\u00e9s d\u00e9couvertes.<\/p>\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"3511.125\">MDASH s\u2019int\u00e8gre enfin \u00e0 GitHub et Azure DevOps pour aider les d\u00e9veloppeurs \u00e0 corriger les failles d\u00e9tect\u00e9es. Il peut proposer un correctif, en v\u00e9rifier la pertinence et pr\u00e9senter les modifications apport\u00e9es avant leur examen. Le changement peut ensuite \u00eatre soumis au d\u00e9p\u00f4t sous la forme d\u2019une pull request.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-default\">\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"3642.736083984375\"><\/div>\n<\/div>\n<div class=\"row-wrapper row\">\n<div class=\"slate-content col-slate-12\">\n<h2 class=\"sc-1u2uxcx-0 HsQQi\">Un mod\u00e8le maison pour r\u00e9duire le co\u00fbt de MDASH<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"grid-default\">\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"3703.083251953125\">Reste \u00e0 faire fonctionner ce dispositif \u00e0 grande \u00e9chelle. Les entreprises peuvent disposer de centaines de d\u00e9p\u00f4ts \u00e0 analyser, et mobiliser les mod\u00e8les les plus puissants pour chaque op\u00e9ration ferait rapidement grimper la facture. Pour contenir ce co\u00fbt sans sacrifier les performances, Microsoft int\u00e8gre donc \u00e0 MDASH <strong>MAI-Cyber-1-Flash<\/strong>, un mod\u00e8le maison sp\u00e9cialis\u00e9 dans la cybers\u00e9curit\u00e9 et pens\u00e9 pour prendre en charge la majorit\u00e9 des requ\u00eates courantes.<\/div>\n<\/div>\n<div data-adslot-top=\"3703.083251953125\">\n<p class=\"sc-9e1vpx-0 jVoltE\">Il ne travaillera pas seul pour autant. Fid\u00e8le \u00e0 son approche multimod\u00e8le, Microsoft pr\u00e9voit de lui confier environ 90\u00a0% des requ\u00eates, tandis que GPT-5.4 prendra le relais sur les cas les plus difficiles. Cette r\u00e9partition doit permettre de ne mobiliser le mod\u00e8le le plus co\u00fbteux que lorsque la t\u00e2che l\u2019exige r\u00e9ellement.<\/p>\n<div>\n<div class=\"div-breakable\" data-adslot-top=\"4024.611083984375\">Microsoft affirme que cette combinaison atteint 96 % de r\u00e9ussite sur CyberGym, un benchmark qui \u00e9value la capacit\u00e9 des syst\u00e8mes d\u2019IA \u00e0 reproduire des vuln\u00e9rabilit\u00e9s connues \u00e0 partir du code source et d\u2019une description de la faille. Elle r\u00e9duirait aussi de pr\u00e8s de moiti\u00e9 le co\u00fbt de MDASH par rapport \u00e0 sa pr\u00e9c\u00e9dente configuration. Ces r\u00e9sultats restent toutefois ceux de l\u2019entreprise et ne suffisent pas \u00e0 mesurer les performances du syst\u00e8me lors de recherches men\u00e9es sur des logiciels r\u00e9els et des vuln\u00e9rabilit\u00e9s encore inconnues.<\/div>\n<\/div>\n<p>avec clubic<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div data-adslot-top=\"1797.0416259765625\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft vient tout juste de lever le voile sur Project Perception, un dispositif IA capable d\u2019encha\u00eener simulation d\u2019attaque, enqu\u00eate, d\u00e9tection et rem\u00e9diation. Il s\u2019appuie notamment sur MDASH et sur un [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,11],"tags":[],"class_list":["post-7800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-cybersecurite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microsoft d\u00e9voile Perception, son arm\u00e9e d\u2019agents IA con\u00e7us pour automatiser la r\u00e9ponse aux cybermenaces - Parlons Techs - Store<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/parlonstechs.com\/all\/2026\/07\/29\/microsoft-devoile-perception-son-armee-dagents-ia-concus-pour-automatiser-la-reponse-aux-cybermenaces\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microsoft d\u00e9voile Perception, son arm\u00e9e d\u2019agents IA con\u00e7us pour automatiser la r\u00e9ponse aux cybermenaces - Parlons Techs - Store\" \/>\n<meta property=\"og:description\" content=\"Microsoft vient tout juste de lever le voile sur Project Perception, un dispositif IA capable d\u2019encha\u00eener simulation d\u2019attaque, enqu\u00eate, d\u00e9tection et rem\u00e9diation. 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