{"id":25346,"date":"2026-08-07T10:42:35","date_gmt":"2026-08-07T10:42:35","guid":{"rendered":"https:\/\/windowsreport.com\/fr\/microsoft-avertit-les-clients-entra-concernant-le-retrait-de-lauthentification-par-sms-en-fevrier-2027\/"},"modified":"2026-08-07T10:42:35","modified_gmt":"2026-08-07T10:42:35","slug":"microsoft-avertit-les-clients-entra-concernant-le-retrait-de-lauthentification-par-sms-en-fevrier-2027","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/fr\/microsoft-avertit-les-clients-entra-concernant-le-retrait-de-lauthentification-par-sms-en-fevrier-2027\/","title":{"rendered":"Microsoft avertit les clients Entra concernant le retrait de l\u2019authentification par SMS en f\u00e9vrier 2027"},"content":{"rendered":"\n<p>L\u2019authentification par SMS et par appel t\u00e9l\u00e9phonique de Microsoft Entra sera retir\u00e9e le 1<sup>er<\/sup> f\u00e9vrier 2027, alors que Microsoft commence \u00e0 orienter les clients vers les passkeys et d\u2019autres m\u00e9thodes de connexion r\u00e9sistant au hame\u00e7onnage.<\/p>\n\n\n\n<p>Microsoft a commenc\u00e9 \u00e0 envoyer des e-mails aux organisations Entra ID concern\u00e9es au sujet de 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>. L\u2019entreprise avait pr\u00e9c\u00e9demment annonc\u00e9 que l\u2019authentification multifacteur (MFA) par SMS et par appel t\u00e9l\u00e9phonique d\u2019Entra ID serait retir\u00e9e, mais elle contacte d\u00e9sormais directement les clients \u00e0 mesure que la date limite de migration approche.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-microsoft-will-start-the-transition-in-september\">Microsoft commencera 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 passkeys pour les utilisateurs qui d\u00e9pendent actuellement de l\u2019authentification par SMS ou par appel t\u00e9l\u00e9phonique.<\/p>\n\n\n\n<p>Les utilisateurs concern\u00e9s commenceront \u00e9galement \u00e0 voir des invites de connexion les encourageant \u00e0 enregistrer un passkey. Microsoft pousse de plus en plus les clients vers les passkeys, les attaques par mot de passe et d\u2019authentification devenant plus sophistiqu\u00e9es.<\/p>\n\n\n\n<p>Les utilisateurs qui n\u2019auront toujours pas configur\u00e9 de passkey ou une autre m\u00e9thode r\u00e9sistant au hame\u00e7onnage prise en charge d\u2019ici le 1<sup>er<\/sup> f\u00e9vrier 2027 se verront bloqu\u00e9s par une inscription obligatoire lors 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 affirme que l\u2019authentification par SMS pr\u00e9sente 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 le SIM swapping et l\u2019hame\u00e7onnage de type Adversary-in-the-Middle.<\/p>\n\n\n\n<p>Les passkeys \u00e9vitent les codes d\u2019authentification temporaires et les mots de passe que les attaquants peuvent intercepter ou voler.<\/p>\n\n\n\n<p>Les organisations qui doivent continuer \u00e0 utiliser l\u2019authentification par t\u00e9l\u00e9phone pour des raisons r\u00e9glementaires ou de conformit\u00e9 auront une autre option. Microsoft leur permettra d\u2019utiliser des fournisseurs de t\u00e9l\u00e9communications g\u00e9r\u00e9s par le client, 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 par appel t\u00e9l\u00e9phonique avant le d\u00e9but de la migration en septembre.<\/p>\n\n\n\n<p>Microsoft recommande de basculer ces utilisateurs vers les passkeys de mani\u00e8re proactive. Les organisations peuvent configurer des passkeys 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 clients professionnels. 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 par appel t\u00e9l\u00e9phonique de Microsoft Entra sera retir\u00e9e le 1er f\u00e9vrier 2027, alors que Microsoft commence \u00e0 orienter les clients vers les passkeys et d\u2019autres m\u00e9thodes de connexion r\u00e9sistant au hame\u00e7onnage. Microsoft a commenc\u00e9 \u00e0 envoyer des e-mails aux organisations Entra ID concern\u00e9es au sujet de ce changement \u00e0 venir, selon [&hellip;]<\/p>\n","protected":false},"author":49,"featured_media":25347,"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-25346","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 Entra concernant le retrait de l\u2019authentification par SMS en f\u00e9vrier 2027<\/title>\n<meta name=\"description\" content=\"Microsoft avertit les clients Entra qu\u2019ils doivent remplacer l\u2019authentification multifacteur par 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