MFA (Multi-Factor Authentication)


What is a MFA?

Multi-factor authentication (MFA) is a security authentication mechanism that requires multiple (two or more) components of predetermined evidence (factors) before being granted authorization. 2FA is a subset of multi-factor authentication (MFA), the difference is the number of factors. MFA may require more than two factors of authentication before a user can access a system. The most common examples of authentication factors used for MFA are passwords, PINs, hardware tokens, and biometrics.

There are five different types of authentication used for MFA:

1) Possession-based factor - something you have

2) Knowledge-based factor - something you know

  • Password/Passphrase
  • PIN (personal identification number)
  • Swipe authentication

3) Inherent-based factor - something you are

  • Fingerprint biometric scan
  • Facial biometric scan
  • Vein biometric scan
  • Voice biometric recognition

4) Location-based factor - somewhere you are

  • Geo-location
  • IP Address
  • Local proximity

5) Behavioral-based factor - something you do

  • Handwriting speed and style
  • Typing speed and style
  • Physical Movement dynamics
  • Motion sensor detection

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