{"id":349140,"date":"2026-07-30T06:30:00","date_gmt":"2026-07-30T04:30:00","guid":{"rendered":"https:\/\/legrandcontinent.eu\/fr\/?p=349140"},"modified":"2026-07-29T23:08:46","modified_gmt":"2026-07-29T21:08:46","slug":"ce-que-levasion-de-modeles-dopenai-revele-de-letat-de-la-cybersecurite","status":"publish","type":"post","link":"https:\/\/legrandcontinent.eu\/fr\/2026\/07\/30\/ce-que-levasion-de-modeles-dopenai-revele-de-letat-de-la-cybersecurite\/","title":{"rendered":"Ce que l&rsquo;\u00e9vasion de mod\u00e8les d&rsquo;OpenAI r\u00e9v\u00e8le de l&rsquo;\u00e9tat de la cybers\u00e9curit\u00e9"},"content":{"rendered":"\n<p>Le 28 juillet, Sam Altman, le cofondateur d\u2019OpenAI, a d\u00e9clar\u00e9 \u00eatre \u00e9tonn\u00e9 que plus de gens n\u2019aient pas eu de \u00ab&#160;r\u00e9action visc\u00e9rale&#160;\u00bb \u00e0 la cyberattaque men\u00e9e quelques jours plus t\u00f4t par son entreprise. Dans le cadre d&rsquo;un test, deux de ses mod\u00e8les se sont \u00e9chapp\u00e9s de leur environnement virtuel, ont obtenu un acc\u00e8s \u00e0 Internet et ont fait intrusion sur la plateforme Hugging Face.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le rapport d&rsquo;analyse de Hugging Face, publi\u00e9 lundi 27, r\u00e9v\u00e8le que l&rsquo;ampleur de l&rsquo;intrusion d\u00e9passe ce qui avait \u00e9t\u00e9 \u00e9tabli publiquement&#160;: l&rsquo;agent d&rsquo;OpenAI a obtenu un acc\u00e8s administrateur \u00e0 plusieurs clusters Kubernetes internes, un acc\u00e8s root sur un serveur de production et un acc\u00e8s en \u00e9criture \u00e0 une partie des d\u00e9p\u00f4ts de code source sur GitHub.<\/li>\n\n\n\n<li>Il est \u00e9galement parvenu \u00e0 enr\u00f4ler 181 appareils dans le r\u00e9seau interne de l&rsquo;entreprise \u00e0 l&rsquo;aide d&rsquo;un identifiant vol\u00e9, ce qui lui a donn\u00e9 acc\u00e8s aux syst\u00e8mes dans lesquels Hugging Face d\u00e9veloppe et teste son propre code&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-1-349140' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/07\/30\/ce-que-levasion-de-modeles-dopenai-revele-de-letat-de-la-cybersecurite\/#easy-footnote-bottom-1-349140' title='Dell Cameron et Maxwell Zeff, \u00ab&amp;#160;&lt;a href=&quot;https:\/\/www.wired.com\/story\/openais-rogue-ai-agent-hacked-more-than-just-hugging-face\/&quot;&gt;OpenAI\u2019s Rogue AI Agent Hacked More Than Just Hugging Face&lt;\/a&gt;&amp;#160;\u00bb, &lt;em&gt;Wired&lt;\/em&gt;, 28 juillet 2026.'><sup>1<\/sup><\/a><\/span><\/span>.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Sam on the Hugging Face incident&#160;:<br><br>\u201cThis is the first security incident that I have felt very viscerally. I&#39;ve been a little surprised that more people don&#39;t feel it so viscerally.<br><br>We paused training. We have to figure out how to secure our sandboxing in a world of multiple zero\u2026 <a href=\"https:\/\/t.co\/XXeB7RZsM3\">https:\/\/t.co\/XXeB7RZsM3<\/a> <a href=\"https:\/\/t.co\/F4hbHuItqw\">pic.twitter.com\/F4hbHuItqw<\/a><\/p>&mdash; Patrick OShaughnessy (@patrick_oshag) <a href=\"https:\/\/x.com\/patrick_oshag\/status\/2082090998990270885?ref_src=twsrc%5Etfw\">July 28, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>L\u2019am\u00e9lioration des capacit\u00e9s cyber des nouveaux mod\u00e8les d\u2019IA de fronti\u00e8re (FAIM) repr\u00e9sente une menace importante pour les entreprises, les \u00c9tats et les institutions financi\u00e8res. D\u00e9but juillet, le Conseil europ\u00e9en du risque syst\u00e9mique a averti que \u00ab&#160;la cr\u00e9ation d\u2019exploits utilis\u00e9s \u00e0 des fins malveillantes se faisait en grande partie manuellement et prenait plusieurs jours, voire plusieurs semaines, \u00e0 des experts humains, alors qu\u2019elle peut d\u00e9sormais \u00eatre r\u00e9alis\u00e9e par des FAIM en quelques minutes ou quelques heures&#160;\u00bb&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-2-349140' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/07\/30\/ce-que-levasion-de-modeles-dopenai-revele-de-letat-de-la-cybersecurite\/#easy-footnote-bottom-2-349140' title='&lt;a href=&quot;https:\/\/www.esrb.europa.eu\/pub\/pdf\/warnings\/esrb.warning260625_on_systemic_cyber_risks_stemming_from_frontier_ai_models~ef424708cf.en.pdf&quot;&gt;WARNING OF THE EUROPEAN SYSTEMIC RISK BOARD of 25 June 2026 on systemic cyber risks stemming from frontier artificial intelligence models (ESRB\/2026\/3)&lt;\/a&gt;, 7 juillet 2026.'><sup>2<\/sup><\/a><\/span><\/span>.<\/p>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/otMMy\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>L\u2019incident qui a impliqu\u00e9 les mod\u00e8les d\u2019Open AI n\u2019est pas isol\u00e9.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En avril, le mod\u00e8le <a href=\"https:\/\/legrandcontinent.eu\/fr\/2026\/06\/13\/la-maison-blanche-force-anthropic-a-couper-ses-derniers-modeles-aux-etrangers\/\">Mythos<\/a> d\u2019Anthropic, alors indisponible publiquement, avait lui aussi r\u00e9ussi \u00e0 s\u2019\u00e9chapper de son environnement de test virtuel dans le cadre d\u2019une \u00e9valuation de ses capacit\u00e9s cybern\u00e9tiques.<\/li>\n\n\n\n<li>Le 28 juillet, des chercheurs d&rsquo;Anthropic ont d\u00e9clar\u00e9 que Claude Mythos Preview, un mod\u00e8le d\u00e9voil\u00e9 en avril, avait trouv\u00e9 une vuln\u00e9rabilit\u00e9 dans une version affaiblie de l&rsquo;Advanced Encryption Standard (AES), un algorithme de chiffrement utilis\u00e9 pour prot\u00e9ger le trafic web et les r\u00e9seaux sans fil, ainsi que dans le syst\u00e8me de signature num\u00e9rique HAWK, con\u00e7u pour r\u00e9sister aux ordinateurs quantiques&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-3-349140' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/07\/30\/ce-que-levasion-de-modeles-dopenai-revele-de-letat-de-la-cybersecurite\/#easy-footnote-bottom-3-349140' title='&lt;a href=&quot;https:\/\/www.anthropic.com\/research\/discovering-cryptographic-weaknesses&quot;&gt;Discovering cryptographic weaknesses with Claude&lt;\/a&gt;, Anthropic, 28 juillet 2026.'><sup>3<\/sup><\/a><\/span><\/span>.<\/li>\n<\/ul>\n\n\n\n<p>Les agences de cybers\u00e9curit\u00e9 des pays membres des Five Eyes estiment que les mod\u00e8les d\u2019IA de fronti\u00e8re devraient, d\u00e8s les prochains mois, \u00ab&#160;d\u00e9passer les attentes actuelles du secteur, transformant en profondeur les capacit\u00e9s cybern\u00e9tiques tant offensives que d\u00e9fensives&#160;\u00bb.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Selon Alex Meinke, chercheur chez Apollo Research, m\u00eame si OpenAI avait publiquement d\u00e9taill\u00e9 la mani\u00e8re dont son mod\u00e8le a \u00e9chapp\u00e9 \u00e0 son confinement, \u00ab&#160;seul un tout petit nombre d&rsquo;experts en cybers\u00e9curit\u00e9 dans le monde&#160;\u00bb auraient pu v\u00e9ritablement comprendre comment la faille s&rsquo;est produite&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-4-349140' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/07\/30\/ce-que-levasion-de-modeles-dopenai-revele-de-letat-de-la-cybersecurite\/#easy-footnote-bottom-4-349140' title='\u00ab&amp;#160;&lt;a href=&quot;https:\/\/www.economist.com\/science-and-technology\/2026\/07\/22\/why-the-openai-escape-is-the-most-worrying-ai-mishap-yet&quot;&gt;Why the OpenAI escape is the most worrying AI mishap yet&lt;\/a&gt;&amp;#160;\u00bb, &lt;em&gt;The Economist&lt;\/em&gt;, 22 juillet 2026.'><sup>4<\/sup><\/a><\/span><\/span>.<\/li>\n\n\n\n<li>Si l&rsquo;intelligence artificielle permet \u00e9galement de rendre les syst\u00e8mes plus r\u00e9silients face aux cyberattaques, le risque est que l&rsquo;ampleur et la sophistication des capacit\u00e9s offensives de l&rsquo;IA se d\u00e9veloppent plus vite que les capacit\u00e9s d\u00e9fensives.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Les mod\u00e8les de fronti\u00e8re ont franchi un seuil offensif. Les capacit\u00e9s de cyberd\u00e9fense vont-elles suivre&#160;? <\/p>\n","protected":false},"author":2622,"featured_media":349142,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/post-briefings.php","format":"standard","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"_yoast_wpseo_estimated-reading-time-minutes":3,"_lgc_tts_voice":"","_lgc_tts_publish":false,"_lgc_tts_history_item_id":"","_lgc_tts_generated_at":"","_lgc_tts_status":"","_lgc_tts_error":"","footnotes":""},"categories":[3412],"tags":[],"staff":[],"editorial_format":[4942],"serie":[],"audience":[],"geo":[525],"class_list":["post-349140","post","type-post","status-publish","format-standard","hentry","category-puissances-de-lia","editorial_format-actu-breves","geo-ameriques"],"acf":{"open_in_webview":false,"accent":"default","_thumbnail_id":349142,"excerpt":"Les mod\u00e8les de fronti\u00e8re ont franchi un seuil offensif. Les capacit\u00e9s de cyberd\u00e9fense vont-elles suivre ? ","display_date":"","new_abstract":true},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ce que l&#039;\u00e9vasion de mod\u00e8les d&#039;OpenAI r\u00e9v\u00e8le de l&#039;\u00e9tat de la cybers\u00e9curit\u00e9<\/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:\/\/legrandcontinent.eu\/fr\/2026\/07\/30\/ce-que-levasion-de-modeles-dopenai-revele-de-letat-de-la-cybersecurite\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ce que l&#039;\u00e9vasion de mod\u00e8les d&#039;OpenAI r\u00e9v\u00e8le de l&#039;\u00e9tat de la cybers\u00e9curit\u00e9\" \/>\n<meta property=\"og:description\" content=\"Les mod\u00e8les de fronti\u00e8re ont franchi un seuil offensif. 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