Proton today launched Proton Authenticator, a free two-factor authentication app available across all major platforms including iOS, ...

Proton introduced its very first two-factor authentication app on Thursday. Now available across Android, iOS, Windows, macOS, and Linux, Proton Authenticator is an open-source alternative to ...

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.

Microsoft Authenticator is a security app for two-factor authentication. It competes directly with Google Authenticator, Authy, LastPass Authenticator, and others.

So we wanted to know if you use any of these 2FA apps to secure your accounts or do you mostly rely on SMS-based authentication. Take our poll below and tell us how you play it.

Some authenticator apps allow you to print out or save a list of one-time backup codes to use if you lose access to your authentication app or your phone. Each code can be used just once.

Google Authenticator and just about every other authenticator app add the name of the issuer — such as a bank or a car company — to avoid this issue. Microsoft only uses the username.

2FA apps merely extend a similar system design one step further by storing your secrets needed to log in. Which two-factor authentication app is best? There are dozens of 2FA apps on the market.

With no access to his Google and Microsoft authenticator apps, he lost access to two-factor authentication when he needed it most—when he was logging in from IP addresses not recognized by the ...

While a security key is probably a better form of two factor authentication than an authenticator app, the app is a decent replacement. You should also consider using LastPass or something similar.