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) ...

Free two-factor authentication apps usually come with a catch. They have limited features, poor sync, or questionable security. But Proton Authenticator breaks this rule, and it's better than most ...

The company has introduced Proton Authenticator, an open-source two-factor authentication app that can sync 2FA codes across devices using end-to-end encryption. Though Proton’s password manager ...

While most open-source apps rely on donations, some also offer paid tiers with meaningful extra benefits. This makes them ...