Multi Factor Authentication (MFA)

Multi-factor authentication (MFA; encompassing authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism

These are

  • Specific knowledge (something only the user knows)
  • Possession (something only the user has)
  • Inherence (something only the user is)

MFA protects user data—which may include personal identification or financial assets—from being accessed by an unauthorized third party that may have been able to discover, for example, a single password.

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