The common single-factor authentication employs one password. For more security, multi-factor authentication (MFA) adds at least one more form such as a text message with a one-time number ...

What is Two-Factor Authentication? Two-factor authentication (also known as multi-factor authentication or two-step verification) is an extra layer of protection — more protection than a traditional ...

While strong passwords are essential to keeping you safe, multi-factor authentication adds another layer of defense to your private information. A verification that ...