Neowin<\/a>. La soci\u00e9t\u00e9 avait pr\u00e9c\u00e9demment annonc\u00e9 le retrait des SMS et de l\u2019authentification multifacteur vocale d\u2019Entra ID, mais elle contacte d\u00e9sormais directement les clients \u00e0 mesure que l\u2019\u00e9ch\u00e9ance de migration approche.<\/p>\n\n\n\nMicrosoft commencera la transition en septembre<\/h2>\n\n\n\n
Le processus de migration d\u00e9butera le 1er septembre 2026. Entra ID activera automatiquement la prise en charge des cl\u00e9s de s\u00e9curit\u00e9 pour les utilisateurs qui d\u00e9pendent actuellement de l\u2019authentification par SMS ou vocale.<\/p>\n\n\n\n
Les utilisateurs concern\u00e9s verront aussi appara\u00eetre des invites de connexion les incitant \u00e0 enregistrer une cl\u00e9 de s\u00e9curit\u00e9. Microsoft oriente de plus en plus ses clients vers les cl\u00e9s de s\u00e9curit\u00e9, car les attaques contre les mots de passe et l\u2019authentification se sophistiquent.<\/p>\n\n\n\n
Les utilisateurs qui n\u2019auront toujours pas configur\u00e9 de cl\u00e9 de s\u00e9curit\u00e9 ou une autre m\u00e9thode r\u00e9sistante au hame\u00e7onnage au 1er f\u00e9vrier 2027 se heurteront \u00e0 un blocage d\u2019inscription 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
Microsoft estime que l\u2019authentification par SMS comporte des risques de s\u00e9curit\u00e9<\/h3>\n\n\n\n
Microsoft indique que les attaquants peuvent de plus en plus compromettre l\u2019authentification par SMS via des m\u00e9thodes comme l\u2019\u00e9change de carte SIM et l\u2019hame\u00e7onnage de type adversaire au milieu.<\/p>\n\n\n\n
Les cl\u00e9s de s\u00e9curit\u00e9 \u00e9vitent les codes d\u2019authentification temporaires et les mots de passe que les attaquants peuvent intercepter ou voler.<\/p>\n\n\n\n
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, disponibles via la boutique de s\u00e9curit\u00e9 Microsoft.<\/p>\n\n\n\n
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
Les administrateurs doivent d\u00e8s \u00e0 pr\u00e9sent identifier les utilisateurs concern\u00e9s<\/h3>\n\n\n\n
Les administrateurs informatiques devraient passer en revue leur strat\u00e9gie 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
Microsoft recommande de faire migrer ces utilisateurs de mani\u00e8re proactive vers les cl\u00e9s de s\u00e9curit\u00e9. Les organisations peuvent configurer les cl\u00e9s de s\u00e9curit\u00e9 via Microsoft Authenticator ou des cl\u00e9s de s\u00e9curit\u00e9 mat\u00e9rielles compatibles.<\/p>\n\n\n\n
Ce changement ne se limite pas aux clients professionnels. Microsoft supprime aussi progressivement l\u2019authentification par SMS pour les comptes Microsoft personnels.<\/p>\n","protected":false},"excerpt":{"rendered":"
L\u2019authentification par SMS et voix de Microsoft Entra sera retir\u00e9e le 1er f\u00e9vrier 2027, tandis que Microsoft commence \u00e0 orienter les clients vers les cl\u00e9s de s\u00e9curit\u00e9 et d\u2019autres m\u00e9thodes de connexion r\u00e9sistantes 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 […]<\/p>\n","protected":false},"author":49,"featured_media":25342,"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-25341","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriels"],"acf":[],"yoast_head":"\n
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