authenticators

We explain how two-factor authentication with one-time codes works, what the benefits and risks are, and what else you can do to better protect your accounts.

How authenticator apps work and what alternatives there are to Google Authenticator.

Here are some ways you can back up your authenticator app.

Can’t sign in to an account because your authenticator app is on a lost phone? Here’s what to do.

Why SMS isn’t the best choice for two-factor authentication, and what alternative types of 2FA you should consider.