Online security can be a daunting, but incredibly important thing many people have to manage. With all the sites and online services people use on a daily basis, maintaining strong passwords and ...

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 ...

Two-factor authentication (2FA) is a fantastic security measure, but not all 2FA is created equal. SMS-based 2FA is by far the least secure authentication option, and yet, far too many companies use ...

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 ...

Two-factor authentication adds an extra layer of defense against hackers—even if your password is stolen or guessed, another checkpoint will block account access. I regularly recommend enabling 2FA as ...

Having issues with your Instagram login? You’re not alone. Several Instagram users seem to be having issues logging in related to two-factor authentication (2FA). The login issues appear to be limited ...

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 ...