What is two-factor authentication? | 2-step verification explained
https://www.cloudflare.com/learning/access-management/what-is-two-factor-authentication/
WEBWhat is two-factor authentication? Two-factor authentication, abbreviated as 2FA, is an authentication process that requires two different authentication factors to establish identity. In a nutshell, it means requiring a user to prove their identity in two different ways before granting them access. 2FA is one form of multi-factor authentication.
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