Microsoft says it has been enforcing multifactor authentication (MFA) for Azure Portal sign-ins across all tenants since ...

Microsoft Authenticator App MFA - Any idea what would cause two users to get prompted for MFA in Teams at 4am?

The new authenticator app replaces Azure Authenticator in the form of an update, as it does the Microsoft Account app on Android.

A new Azure Active Directory registration process became generally available (GA) this week, adding multifactor authentication (MFA) and self-service password registration.

Multi-factor authentication (MFA) adds an extra layer of protection to your accounts. Instead of relying only on a password, MFA requires you to verify your identity using two or more methods.

This new app combines the best parts of our previous authenticator apps into a new app which works with both Microsoft accounts and Azure AD accounts. We’re just getting started on this new app!

Once toggled on in an Azure AD tenant, users will be required to register for MFA within 14 days using the Microsoft Authenticator app, with Global admins also asked to provide a phone number.

Microsoft on Tuesday announced a public preview of a new 'Authenticator Lite' solution for Outlook Mobile apps.