Two-factor authentication is kind of secondary way of ensuring that the right person is logging into an account, and you should use it with Amazon.

Duo’s security services are mainly aimed at businesses, but anyone can make use of its clean, reliable authenticator app—like the other apps we’ve mentioned here, it supports a wide variety of ...

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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) ...