Google Authenticator not working? Learn how to fix app crashes, invalid codes, missing verification codes, and account transfer issues.

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) ...

Bitwarden has just launched a new multi-factor authenticator app called Bitwarden Authenticator, which is available for iOS and Android devices. The app uses time-based one-time passwords (TOTPs) for ...

What just happened? Swiss technology company Proton has expanded its privacy-focused software lineup with the launch of Proton Authenticator, a free and open-source two-factor authentication app. Best ...

Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...