{"id":25344,"date":"2026-08-07T10:42:02","date_gmt":"2026-08-07T10:42:02","guid":{"rendered":"https:\/\/windowsreport.com\/fr\/microsoft-avertit-les-clients-dentra-du-retrait-de-lauthentification-par-sms-en-fevrier-2027\/"},"modified":"2026-08-07T10:42:02","modified_gmt":"2026-08-07T10:42:02","slug":"microsoft-avertit-les-clients-dentra-du-retrait-de-lauthentification-par-sms-en-fevrier-2027","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/fr\/microsoft-avertit-les-clients-dentra-du-retrait-de-lauthentification-par-sms-en-fevrier-2027\/","title":{"rendered":"Microsoft avertit les clients d\u2019Entra du retrait de l\u2019authentification par SMS en f\u00e9vrier 2027"},"content":{"rendered":"\n<p>L\u2019authentification par SMS et vocale de Microsoft Entra sera retir\u00e9e le 1<sup>er<\/sup> f\u00e9vrier 2027, Microsoft commen\u00e7ant \u00e0 orienter les clients vers les cl\u00e9s d\u2019acc\u00e8s et d\u2019autres m\u00e9thodes de connexion r\u00e9sistantes au phishing.<\/p>\n\n\n\n<p>Microsoft a commenc\u00e9 \u00e0 envoyer des courriels aux organisations Entra ID concern\u00e9es par ce changement \u00e0 venir, selon <a href=\"https:\/\/www.neowin.net\/news\/microsoft-starts-sending-out-emails-to-warn-about-big-entra-id-change-to-authentication\/\" target=\"_blank\" rel=\"noreferrer noopener\">Neowin<\/a>. La soci\u00e9t\u00e9 avait pr\u00e9c\u00e9demment annonc\u00e9 le retrait de l\u2019authentification multifacteur par SMS et vocale d\u2019Entra ID, mais elle contacte d\u00e9sormais directement ses clients \u00e0 l\u2019approche de l\u2019\u00e9ch\u00e9ance de migration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-microsoft-will-start-the-transition-in-september\">Microsoft amorcera la transition en septembre<\/h2>\n\n\n\n<p>Le processus de migration d\u00e9butera le 1<sup>er<\/sup> septembre 2026. Entra ID activera automatiquement la prise en charge des cl\u00e9s d\u2019acc\u00e8s pour les utilisateurs qui d\u00e9pendent actuellement de l\u2019authentification par SMS ou vocale.<\/p>\n\n\n\n<p>Les utilisateurs concern\u00e9s commenceront \u00e9galement \u00e0 voir des invites de connexion les encourageant \u00e0 enregistrer une cl\u00e9 d\u2019acc\u00e8s. Microsoft pousse de plus en plus ses clients vers les cl\u00e9s d\u2019acc\u00e8s, \u00e0 mesure que les attaques par mot de passe et par authentification gagnent en sophistication.<\/p>\n\n\n\n<p>Les utilisateurs qui n\u2019auront toujours pas configur\u00e9 de cl\u00e9 d\u2019acc\u00e8s ou d\u2019autre m\u00e9thode r\u00e9sistante au phishing d\u2019ici au 1<sup>er<\/sup> f\u00e9vrier 2027 se verront imposer un blocage d\u2019inscription obligatoire au moment de la connexion. Ils devront configurer une m\u00e9thode d\u2019authentification accept\u00e9e avant de pouvoir acc\u00e9der \u00e0 leurs comptes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-microsoft-says-sms-authentication-carries-security-risks\">Microsoft estime que l\u2019authentification par SMS comporte des risques de s\u00e9curit\u00e9<\/h3>\n\n\n\n<p>Microsoft indique que les attaquants peuvent de plus en plus compromettre l\u2019authentification par SMS via des m\u00e9thodes telles que l\u2019\u00e9change de carte SIM et le phishing de type Adversary-in-the-Middle.<\/p>\n\n\n\n<p>Les cl\u00e9s d\u2019acc\u00e8s \u00e9vitent les codes d\u2019authentification temporaires et les mots de passe que les attaquants peuvent intercepter ou d\u00e9rober.<\/p>\n\n\n\n<p>Les organisations qui doivent continuer \u00e0 utiliser l\u2019authentification t\u00e9l\u00e9phonique pour des raisons r\u00e9glementaires ou de conformit\u00e9 disposeront d\u2019une autre option. Microsoft leur permettra d\u2019utiliser des fournisseurs de t\u00e9l\u00e9communications g\u00e9r\u00e9s par le client et disponibles via le Microsoft Security Store.<\/p>\n\n\n\n<p>Les tarifs des fournisseurs seront disponibles le 18 septembre 2026, tandis que les organisations pourront commencer \u00e0 configurer les fournisseurs pris en charge \u00e0 partir du 30 octobre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-administrators-should-identify-affected-users-now\">Les administrateurs doivent identifier les utilisateurs concern\u00e9s d\u00e8s maintenant<\/h3>\n\n\n\n<p>Les administrateurs informatiques doivent examiner leur strat\u00e9gie des m\u00e9thodes d\u2019authentification et identifier les comptes qui d\u00e9pendent encore de l\u2019authentification par SMS ou vocale avant le d\u00e9but de la migration en septembre.<\/p>\n\n\n\n<p>Microsoft recommande de faire migrer ces utilisateurs vers les cl\u00e9s d\u2019acc\u00e8s de mani\u00e8re proactive. Les organisations peuvent configurer les cl\u00e9s d\u2019acc\u00e8s via Microsoft Authenticator ou des cl\u00e9s de s\u00e9curit\u00e9 mat\u00e9rielles compatibles.<\/p>\n\n\n\n<p>Ce changement ne se limite pas aux entreprises clientes. Microsoft supprime \u00e9galement progressivement l\u2019authentification par SMS pour les comptes Microsoft personnels.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019authentification par SMS et vocale de Microsoft Entra sera retir\u00e9e le 1er f\u00e9vrier 2027, Microsoft commen\u00e7ant \u00e0 orienter les clients vers les cl\u00e9s d\u2019acc\u00e8s et d\u2019autres m\u00e9thodes de connexion r\u00e9sistantes au phishing. Microsoft a commenc\u00e9 \u00e0 envoyer des courriels aux organisations Entra ID concern\u00e9es par ce changement \u00e0 venir, selon Neowin. La soci\u00e9t\u00e9 avait pr\u00e9c\u00e9demment [&hellip;]<\/p>\n","protected":false},"author":49,"featured_media":25345,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[1019],"tags":[],"work":[],"class_list":["post-25344","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriels"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Microsoft avertit les clients d\u2019Entra du retrait de l\u2019authentification par SMS en f\u00e9vrier 2027<\/title>\n<meta name=\"description\" content=\"Microsoft avertit les clients Entra de remplacer l\u2019authentification multifacteur par SMS et vocale par des passkeys avant l\u2019\u00e9ch\u00e9ance de f\u00e9vrier 2027.\" \/>\n<meta name=\"robots\" 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