{"id":18542,"date":"2026-08-01T08:02:09","date_gmt":"2026-08-01T06:02:09","guid":{"rendered":"https:\/\/www.forbes.be\/fr\/ia-anthropic-pirate-trois-entreprises\/"},"modified":"2026-08-01T08:02:09","modified_gmt":"2026-08-01T06:02:09","slug":"ia-anthropic-pirate-trois-entreprises","status":"publish","type":"post","link":"https:\/\/www.forbes.be\/fr\/ia-anthropic-pirate-trois-entreprises\/","title":{"rendered":"Les mod\u00e8les d&rsquo;IA d&rsquo;Anthropic piratent trois entreprises lors de tests"},"content":{"rendered":"<h2>R\u00e9sum\u00e9<\/h2>\n<p>Anthropic a annonc\u00e9 jeudi que ses mod\u00e8les d&rsquo;IA avanc\u00e9s ont r\u00e9ussi \u00e0 pirater les syst\u00e8mes de trois organisations lors d&rsquo;une \u00e9valuation interne. Cette r\u00e9v\u00e9lation de s\u00e9curit\u00e9 intervient une semaine apr\u00e8s qu&rsquo;OpenAI, un concurrent, a r\u00e9v\u00e9l\u00e9 qu&rsquo;un de ses mod\u00e8les avanc\u00e9s avait pirat\u00e9 une entreprise apr\u00e8s avoir \u00e9chapp\u00e9 \u00e0 un environnement de test confin\u00e9.<\/p>\n<h2>Faits essentiels<\/h2>\n<ul>\n<li>Anthropic a d\u00e9couvert trois violations distinctes impliquant ses mod\u00e8les d&rsquo;IA Claude apr\u00e8s une r\u00e9vision de sa cybers\u00e9curit\u00e9.<\/li>\n<li>La plus ancienne de ces violations a eu lieu en avril et concernait trois mod\u00e8les Claude distincts, dont le sophistiqu\u00e9 Mythos 5, l&rsquo;Opus 4.7 plus ancien et un mod\u00e8le de test interne non nomm\u00e9 qui \u201cn\u2019est pas pr\u00e9vu pour une diffusion g\u00e9n\u00e9rale.\u201d<\/li>\n<li>L\u2019entreprise n\u2019a pas nomm\u00e9 les trois organisations concern\u00e9es par les piratages, mais a indiqu\u00e9 qu&rsquo;elles avaient \u00e9t\u00e9 inform\u00e9es de l&rsquo;incident lundi.<\/li>\n<li>Anthropic collabore avec deux des organisations concern\u00e9es qui n\u2019avaient pas d\u00e9tect\u00e9 la violation avant d&rsquo;en \u00eatre inform\u00e9es et continue de contacter la troisi\u00e8me.<\/li>\n<li>Les mod\u00e8les impliqu\u00e9s dans l&rsquo;incident n&rsquo;avaient pas les protections que l&rsquo;entreprise applique lorsque de tels mod\u00e8les sont rendus publics.<\/li>\n<\/ul>\n<h2>Citation cruciale<\/h2>\n<p>Dans son communiqu\u00e9, Anthropic a d\u00e9clar\u00e9 : \u201cEn fin de compte, de nombreux facteurs ont contribu\u00e9 \u00e0 ces incidents, mais, conform\u00e9ment \u00e0 une culture de post-mortem sans bl\u00e2me, nous abordons les corrections comme si la responsabilit\u00e9 nous incombait uniquement. Cela commence par garantir que chaque partie de notre processus d&rsquo;\u00e9valuation est s\u00e9curis\u00e9e, y compris la mani\u00e8re dont nous int\u00e9grons les partenaires externes.\u201d<\/p>\n<h2>Que savons-nous des violations\u00a0?<\/h2>\n<p>Les trois incidents distincts ont eu lieu lorsqu&rsquo;Anthropic \u00e9valuait les capacit\u00e9s des trois mod\u00e8les \u00e0 l&rsquo;aide d&rsquo;un sc\u00e9nario fictif pour r\u00e9cup\u00e9rer des informations cach\u00e9es d&rsquo;une autre machine sur un r\u00e9seau. Anthropic a indiqu\u00e9 que, dans tous les cas, les mod\u00e8les \u00e9taient instruits qu&rsquo;ils effectuaient une simulation et n&rsquo;avaient pas acc\u00e8s \u00e0 Internet. Cependant, en raison d&rsquo;un \u201cmalentendu\u201d avec son partenaire d&rsquo;\u00e9valuation, Irregular, \u201cce n\u2019\u00e9tait pas le cas et l\u2019acc\u00e8s \u00e0 Internet \u00e9tait disponible.\u201d Anthropic a not\u00e9 que, contrairement \u00e0 l&rsquo;incident OpenAI-Hugging Face d\u00e9voil\u00e9 la semaine derni\u00e8re, Claude n\u2019a pas \u201ccherch\u00e9 \u00e0 s\u2019exfiltrer ou \u00e0 \u00e9chapper d\u00e9lib\u00e9r\u00e9ment\u201d \u00e0 un environnement de test confin\u00e9.<\/p>\n<h2>Que faisaient les mod\u00e8les apr\u00e8s avoir pirat\u00e9 les organisations\u00a0?<\/h2>\n<p>Anthropic a remarqu\u00e9 que les trois mod\u00e8les ont r\u00e9agi de mani\u00e8re tr\u00e8s diff\u00e9rente apr\u00e8s avoir d\u00e9couvert qu&rsquo;ils op\u00e9raient sur Internet r\u00e9el plut\u00f4t que dans une simulation. L&rsquo;entreprise a affirm\u00e9 que son mod\u00e8le le plus ancien, Opus 4.7, a continu\u00e9 d&rsquo;attaquer un syst\u00e8me \u201capr\u00e8s avoir appris qu&rsquo;il op\u00e9rait probablement dans un environnement r\u00e9el\u201d, car il \u201ca rationalis\u00e9 que la v\u00e9ritable entreprise devait faire partie de l&rsquo;exercice.\u201d Le mod\u00e8le Mythos 5 \u2014 le mod\u00e8le le plus avanc\u00e9 de l\u2019entreprise \u00e0 ce jour \u2014 \u201ca correctement identifi\u00e9 les cons\u00e9quences de ses actions\u201d mais \u201cs&rsquo;est convaincu qu&rsquo;il \u00e9tait encore dans une simulation.\u201d Anthropique a reconnu que le comportement de Mythos dans ce sc\u00e9nario \u201cn&rsquo;est pas \u00e0 la hauteur d&rsquo;un comportement id\u00e9al.\u201d Le mod\u00e8le de test non publi\u00e9 a r\u00e9alis\u00e9 qu&rsquo;il avait viol\u00e9 une vraie cible et \u201ca cess\u00e9 son attaque.\u201d L&rsquo;entreprise a not\u00e9 que ces incidents ne font pas partie d&rsquo;un essai contr\u00f4l\u00e9 et ne devraient pas servir \u00e0 tirer des conclusions mais a soulign\u00e9 que le comportement qu&rsquo;elle souhaite le plus voir \u201cn&rsquo;est apparu que dans le plus r\u00e9cent des trois mod\u00e8les.\u201d<\/p>\n<h2>Contexte cl\u00e9<\/h2>\n<p>La divulgation d&rsquo;Anthropic survient une semaine apr\u00e8s qu\u2019OpenAI a publi\u00e9 un rapport indiquant qu\u2019un de ses mod\u00e8les d&rsquo;IA avanc\u00e9s avait pirat\u00e9 les serveurs de Hugging Face, la plateforme qui h\u00e9berge des mod\u00e8les d&rsquo;IA open-source. Contrairement au sc\u00e9nario d\u00e9crit par Anthropic, l&rsquo;incident d&rsquo;OpenAI n&rsquo;\u00e9tait pas le r\u00e9sultat d&rsquo;une erreur de proc\u00e9dure, mais plut\u00f4t un cas d&rsquo;un mod\u00e8le d&rsquo;IA exploitant une vuln\u00e9rabilit\u00e9 pour sortir de son environnement de test confin\u00e9. Le communiqu\u00e9 d&rsquo;Anthropic a mentionn\u00e9 que sa d\u00e9cision de mener cette revue a \u00e9t\u00e9 d\u00e9clench\u00e9e par la divulgation de l&rsquo;OpenAI et a salu\u00e9 son rival pour la publication du rapport.<\/p>\n<p>\u201cCet article a \u00e9t\u00e9 \u00e9crit par Siladitya Ray et traduit par Forbes.be.\u201d<\/p>\n<p><a href=\"https:\/\/www.forbes.com\/sites\/siladityaray\/2026\/07\/31\/anthropic-says-its-ai-models-hacked-into-three-organizations-during-testing\/\">Cet article a \u00e9t\u00e9 initialement publi\u00e9 sur Forbes.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lors de tests, les mod\u00e8les d&rsquo;IA d&rsquo;Anthropic ont r\u00e9ussi \u00e0 p\u00e9n\u00e9trer les syst\u00e8mes de trois organisations, incitant \u00e0 une r\u00e9flexion sur la s\u00e9curit\u00e9 des technologies avanc\u00e9es.<\/p>\n","protected":false},"author":28,"featured_media":18541,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18542","post","type-post","status-publish","format-standard","has-post-thumbnail","category-actualite"],"acf":[],"_yoast_wpseo_title":"Les mod\u00e8les d'IA d'Anthropic piratent trois entreprises lors de tests","_yoast_wpseo_metadesc":"Anthropic a r\u00e9v\u00e9l\u00e9 que ses mod\u00e8les d'IA ont pirat\u00e9 trois entreprises depuis avril. Les soci\u00e9t\u00e9s concern\u00e9es ont \u00e9t\u00e9 averties.","auteur_traducteur":"Siladitya Ray","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les mod\u00e8les d&#039;IA d&#039;Anthropic piratent trois entreprises lors de tests<\/title>\n<meta name=\"description\" content=\"Anthropic a r\u00e9v\u00e9l\u00e9 que ses mod\u00e8les d&#039;IA ont pirat\u00e9 trois entreprises depuis avril. 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