Multifactor Authentication (MFA)

Updated Oct 9, 2020 · 2 min read

What is multi-factor authentication?

Multi-factor authentication (MFA) is a method of authentication in which a user can prove their identity by presenting two or more factors of authentication. The factors of authentication are:

  • Something you know.
  • Something you have.
  • Something you are.

Multi-factor authentication protects a user against unknown people who have one of the factors of authentication for a user.

Two-factor authentication (2FA) is one type of multi-factor authentication in which users provide two factors of authentication. Applications often use third-party authenticators (TPAs) to enable 2FA, where the third-party authenticator displays a randomly generated code for users to input along with their username and password.

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