X is retiring the Twitter domain for 2FA authentication. Christopher Stanley, a security engineer at X, xAI, and SpaceX, said ...

Using both is actually your best bet, but when to use one over the other can be confusing. If you don’t know much about 2FA ...

Hardware security keys make two-factor authentication faster, simpler, and nearly impossible for hackers to bypass.

"After November 10, if you haven't re-enrolled a security key, your account will be locked until you: re-enroll; choose a ...

X is warning that users must re-enroll their security keys or passkeys for two-factor authentication (2FA) before November 10 or they will be locked out of their accounts until they do so.

When I started using two-factor authentication, I saved my time-based one-time passwords (TOTP) in Google Authenticator since it was one of the first prominent tools for the job. Years later, I left ...

One-time SMS codes are widely used as the second checkpoint in two-factor authentication (2FA) to sign into everything from banking apps to email accounts. As I've written before, though, SMS is one ...

Weak Link: Two-factor authentication is designed to harden device security and make unauthorized access even trickier for bad actors. In the imperfect world we live in, however, there's almost always ...

I’ve set up multiple password managers, as part of my testing and reviews for PCWorld. And every time, I always take a moment right after creating an account to do one very, very important thing: ...