What is two-factor authentication, and why do experts say it's the key to better online security? Two-factor authentication—often referred to as two-step authentication and 2FA—is a method for keeping ...

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.

Two-factor authentication (2FA) is a security access method that requires users to provide two forms of identification (aka factors), typically a password in ...

If you aren’t already protecting your most personal accounts with two-factor or two-step authentication, you should be. An extra line of defense that’s tougher than the strongest password, 2FA is ...