Two-factor authentication is a security measure that makes you pass two security tests before gaining access to your account or device.

Authenticator apps are a multi-factor authentication (MFA) method for encrypting your online login credentials. Stay protected with the best MFA apps we've tested. I review privacy tools like hardware ...

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 ...

The file-sharing utility Dropbox is now offering two-factor authentication, a system that makes it much harder for hackers to capture valid credentials for a person’s account. Dropbox, one of the most ...

The IRS, together with its Security Summit partners, promises that online tax preparation products will offer multi-factor authentication in 2021, with the goal of improving security to protect both ...