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MFA [ verb ]

See

Multi-factor Authentication

Other glossaries (or mental models)

MFA:

Authentication using two or more factors to achieve authentication. Factors include: (i) something you know (e.g., password/personal identification number [PIN]); (ii) something you have (e.g., cryptographic identification device, token); or (iii) something you are (e.g., biometric).(source)
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