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 is a security measure that makes you pass two security tests before gaining access to your account or device. As hackers and hacking systems become more advanced, experts say ...

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 ...

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 ...