Definitions Edit

Multi-factor authentication (MFA) is

[a]uthentication using two or more factors to achieve authentication. Factors include: (i) something you know (e.g. password/PIN); (ii) something you have (e.g., cryptographic identification device, token); or (iii) something you are (e.g., biometric). [1]
authentication through verification of at least two of the following types of authentication factors:
(1) Knowledge factors, such as a password; or
(2) Possession factors, such as a token or text message on a mobile phone; or
(3) Inherence factors, such as a biometric characteristic.[2]

References Edit

  1. NIST Special Publication 800-53.
  2. Cybersecurity Requirements for Financial Services Companies, at 2.

See also Edit

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