> Authentication using two or more different 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). See Authenticator.
> Source(s):
> NIST SP 800-53 Rev. 4 under Multifactor Authentication
> MFA
> Definition(s):
> Authentication using two or more different 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). See Authenticator.
> Source(s):
> NIST SP 800-53 Rev. 4 under Multifactor Authentication