An important and serious security flaw in Microsoft's Authenticator has now been discovered to allow hackers to steal sign-in tokens ...

If you use Microsoft Authenticator to store your login information, it's time to take action. This month, Microsoft began deleting stored payment methods from the app, and as of Aug. 1, 2025, stored ...

Microsoft warns of a security vulnerability in Authenticator. Attackers can intercept sign-in tokens and gain access.