Microsoft Authenticator is available for Android and iOS devices. It does not support desktops. Open-source competitor 2FAS offers browser extensions, which you can use on desktops, too. There's also ...

The issue could allow threat actors to brute force MFA authentication codes for Outlook, Teams, and Azure access with 50% accuracy. Microsoft may have silently fixed a problem with its MFA ...

Step-by-step guide to setting up two-factor authentication on Google, Apple, Microsoft, and social platforms for stronger account security.