What is Two-Factor Authentication (2FA)? And How it Works | UpGuard

Source: www.upguard.com

What is Two-Factor Authentication (2FA)? And How it Works | UpGuard
Two-factor authentication (2FA) is a type of multi-factor authentication (MFA) used to verify users’ identities and provide an additional layer of account security. Users must enter two factors before they are allowed access to their online accounts to ensure they are who they claim to be.
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