Defined term

Multifactor Authentication

Multifactor Authentication: Authentication using two or more factors to achieve authentication.

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Cybersecurity

Definition

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). See authenticator.

Alternative Definitions

Definition 2

Authentication using two or more factors to achieve authentication. Factors include:

Source: The Cyber GlossaryType: external

Sources

1
Committee on National Security Systems Glossary CNSSI 4009-2015
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2
The Cyber Glossary
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