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 ...

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) ...

So, on the strong recommendations of Ars and the forums back in the day, I had been using Authy, originally on Android/MacOS but recently on an iPhone and Windows 10. Then, of course, Authy stopped ...