Two-factor authentication is a security process that requires users to provide two distinct authentication factors to access an account. By introducing a second layer ...

Two-factor authentication is the best protection against any of those, plus so much more. I'll explain what it is and why you should enable it whenever possible. Sometimes called 2-factor ...

You’ve probably noticed a requirement to enter a temporary passcode sent through email or text message after giving your password to log into one of your online ...

Protecting an account with just a username and password is not very smart. Both can be stolen, guessed, or cracked too easily. This is why two-factor authentication (2FA) is recommended for all ...

I have long encouraged the use of two-factor authentication (2FA) or two-step verification (2SV) with online accounts whenever possible (for more about the difference, see “Two-Factor Authentication, ...