Authenticator apps are a multi-factor authentication (MFA) method for encrypting your online login credentials. Stay protected with the best MFA apps we've tested.

Microsoft is set to cause chaos when it shuts down a key app feature used by millions of people.

Even though the company is sunsetting the app's password management features, Microsoft's authenticator app is still a good online privacy tool, especially for Microsoft users.

Microsoft Authenticator A simple, straightforward app that keeps your codes hidden by default.