The authenticator app only comes into play if someone tries to log into your Facebook account using an unrecognized device.

Want to avoid having your online accounts hacked? Enable two-factor authentication (2FA), a crucial security measure that requires an extra code when signing in from an unfamiliar device. In this ...

But I can suggest a way to reduce your chances of being hacked, or to improve your chances of account recovery if you are hacked: Add an "authenticator app" to the device on which you log in to ...

Multi-factor authentication is an absolute must if you really want to add another layer of security to your online accounts.

The Microsoft Authenticator beta app for Windows 10 Mobile has been updated. The two-factor authentication app now allows users to add other online accounts, such as Facebook, Google ...

Microsoft Authenticator provides multi-factor authentication options, as well as a password manager. Here's what you should know about the app.