Microsoft Entra will make passkeys the default authentication method starting September 1, 2026, retiring Microsoft-provided SMS and voice authentication by February 1, 2027. Customers must configure telecom providers for SMS/voice via the Microsoft Security Store or face disruptions. Passkeys offer stronger, phishing-resistant security at no extra cost.
Applies to: Microsoft Entra
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).