{"id":27432,"date":"2026-03-10T23:39:54","date_gmt":"2026-03-11T04:39:54","guid":{"rendered":"https:\/\/www.planhub.ca\/blog\/?p=27432"},"modified":"2026-03-11T00:17:35","modified_gmt":"2026-03-11T05:17:35","slug":"microsoft-authenticator-pourrait-bloquer-les-utilisateurs-de-grapheneos","status":"publish","type":"post","link":"https:\/\/www.planhub.ca\/blog\/fr\/microsoft-authenticator-pourrait-bloquer-les-utilisateurs-de-grapheneos\/","title":{"rendered":"Microsoft Authenticator pourrait bloquer les utilisateurs de GrapheneOS"},"content":{"rendered":"\n<p data-wp-context---core-fit-text=\"core\/fit-text::{&quot;fontSize&quot;:&quot;&quot;}\" data-wp-init---core-fit-text=\"core\/fit-text::callbacks.init\" data-wp-interactive data-wp-style--font-size=\"core\/fit-text::context.fontSize\" class=\"has-fit-text\">Une mise a jour de politique chez Microsoft menace l&rsquo;acc\u00e8s aux comptes<br>professionnels Entra ID pour les utilisateurs de GrapheneOS. Pourtant reconnu<br>comme l&rsquo;un des syst\u00e8mes Android les plus s\u00e9curitaires.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Une d\u00e9tection de root qui pi\u00e8ge GrapheneOS<\/h2>\n\n\n\n<p>Depuis f\u00e9vrier 2026, Microsoft Authenticator v\u00e9rifie activement si l&rsquo;appareil Android est root.<br>Si c&rsquo;est le cas, l&rsquo;application bloque l&rsquo;acc\u00e8s et supprime les identifiants enregistres.<br>GrapheneOS, bien qu&rsquo;il ne soit pas root par d\u00e9faut, \u00e9choue a cette v\u00e9rification car Microsoft<br>s&rsquo;appuie sur l&rsquo;API Google Play Integrity. Un outil qui ne reconnait pas les syst\u00e8mes<br>d&rsquo;exploitation personnalises comme conformes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Microsoft confirme le manque de support officiel<\/h2>\n\n\n\n<p>Interroge par le media sp\u00e9cialise Heise Security, un porte-parole de Microsoft a confirme que<br>l&rsquo;application n&rsquo;est pas officiellement prise en charge sur GrapheneOS. Et que les comptes<br>Entra ID pourraient \u00eatre affect\u00e9s sur les appareils d\u00e9tect\u00e9s comme root. Le d\u00e9ploiement est<br>progressif : d&rsquo;abord des avertissements, puis un blocage des nouveaux comptes. Et enfin en<br>juillet 2026, la suppression de tous les identifiants existants sur les appareils concernes.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"622\" src=\"https:\/\/www.planhub.ca\/blog\/wp-content\/uploads\/2026\/03\/e83695bdcdd89d1eae3d4a4b0a9fe2a78aa33724-6189x4672-1-1024x622.avif\" alt=\"\" class=\"wp-image-27426\" style=\"width:668px;height:auto\" srcset=\"https:\/\/www.planhub.ca\/blog\/wp-content\/uploads\/2026\/03\/e83695bdcdd89d1eae3d4a4b0a9fe2a78aa33724-6189x4672-1-1024x622.avif 1024w, https:\/\/www.planhub.ca\/blog\/wp-content\/uploads\/2026\/03\/e83695bdcdd89d1eae3d4a4b0a9fe2a78aa33724-6189x4672-1-300x182.avif 300w, https:\/\/www.planhub.ca\/blog\/wp-content\/uploads\/2026\/03\/e83695bdcdd89d1eae3d4a4b0a9fe2a78aa33724-6189x4672-1-768x466.avif 768w, https:\/\/www.planhub.ca\/blog\/wp-content\/uploads\/2026\/03\/e83695bdcdd89d1eae3d4a4b0a9fe2a78aa33724-6189x4672-1-1536x933.avif 1536w, https:\/\/www.planhub.ca\/blog\/wp-content\/uploads\/2026\/03\/e83695bdcdd89d1eae3d4a4b0a9fe2a78aa33724-6189x4672-1-2048x1244.avif 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Un paradoxe au moment du partenariat Motorola<\/h2>\n\n\n\n<p>Le moment ne pouvait pas \u00eatre plus inopportun. Quelques jours avant que cette situation ne<br>fasse surface, <a href=\"https:\/\/www.planhub.ca\/blog\/fr\/motorola-grapheneos-partenariat-compatibilite\/\" type=\"link\" id=\"https:\/\/www.planhub.ca\/blog\/fr\/motorola-grapheneos-partenariat-compatibilite\/\">Motorola a officiellement<\/a> annonce un partenariat de long terme avec<br>GrapheneOS au Mobile World Congress 2026. Positionnant cet OS comme une solution de<br>s\u00e9curit\u00e9 pour les entreprises et les autorit\u00e9s. Microsoft exclut ainsi l&rsquo;un des syst\u00e8mes Android<br>les plus robustes, en utilisant un outil de v\u00e9rification qui n&rsquo;a jamais \u00e9t\u00e9 con\u00e7u pour les ROM<br>personnalis\u00e9es renforc\u00e9es<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quelles options pour les utilisateurs concern\u00e9s ?<\/h2>\n\n\n\n<p>Des applications comme Google Authenticator ou Aegis peuvent servir d&rsquo;alternatives dans<br>certains contextes. Bien que leur acceptation d\u00e9pende de la politique informatique de chaque<br>organisation. L&rsquo;attestation mat\u00e9rielle Android serait une m\u00e9thode plus appropri\u00e9e. Car elle<br>permettrait de valider GrapheneOS sans le confondre avec un appareil root. Microsoft n&rsquo;a<br>pas encore pr\u00e9cis\u00e9 si tous les appareils seraient syst\u00e9matiquement affectes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une mise a jour de politique chez Microsoft menace l&rsquo;acc\u00e8s aux comptesprofessionnels Entra ID pour les utilisateurs de GrapheneOS. Pourtant reconnucomme l&rsquo;un des syst\u00e8mes Android les plus s\u00e9curitaires. Une d\u00e9tection de root qui pi\u00e8ge GrapheneOS Depuis f\u00e9vrier 2026, Microsoft Authenticator v\u00e9rifie activement si l&rsquo;appareil Android est root.Si c&rsquo;est le cas, l&rsquo;application bloque l&rsquo;acc\u00e8s et supprime [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":27429,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[834,489,835],"tags":[82,1353,145,37,1354],"class_list":["post-27432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobile-articles-fr","category-mobile-fr","category-mobile-news-fr","tag-android","tag-grapheneos","tag-microsoft","tag-mobile","tag-securite-3"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microsoft Authenticator bloque GrapheneOS : ce qu&#039;il faut 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