Two-factor authentication (2FA) adds a vital security layer by requiring both your password and a second verification step—like a phone code or app prompt—before ...

Using two or more different forms of identification to authenticate a user. The common single-factor method employs one password. For more security, multi-factor authentication (MFA) adds at least one ...

Authentication has been a part of digital life since MIT set up a password on their shared-access computer in 1961. Today, authentication covers virtually every interaction you can have on the ...

A password alone will not protect sensitive information from hackers--two-factor authentication is also necessary. Here's what security pros and users need to know about two-factor authentication.