In a digital world where dangers online change daily, having only a robust password is not enough. That's where two-factor authentication (2FA) plays a role, an effective method that provides a second ...

We've probably all received confirmation codes sent via text message when trying to sign into an account. Those codes are supposed to serve as two-factor authentication to confirm our identity 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 ...

For all of us who hate passwords, passkeys represent a simpler and safer way of authenticating online accounts. But adoption has been slow, with many companies and websites still relying on passwords.

Proton today launched Proton Authenticator, a free two-factor authentication app available across all major platforms including iOS, Android, Windows, macOS, and Linux. The open-source app generates ...

In “Two-Factor Authentication, Two-Step Verification, and 1Password” (10 July 2023), I explained that for true two-factor authentication, you needed to acquire your time-based one-time password (TOTP) ...

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 ...