Multi-factor Authentication FAQ - Multi-factor vs. two-factor

Is multi-factor authentication the same as two-factor authentication?

Although these refer to the same basic security practice, some accounts only allow you to enable a single, additional verification method. Depending on the account, this option may be called two-factor authentication (2FA) or two-step verification. Other accounts allow you to enable several methods simultaneously as fail-safes in case your preferred method is unavailable, which may be called multi-factor authentication.

 

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