Authentication Factors
The categories of evidence used to prove identity: something you know (a password), something you have (a phone or token), and something you are (a fingerprint or face). Combining factors from different categories is what makes multi-factor authentication strong.
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Knowledge Factor
A related concept to explore, covered by 9 lessons.
Related Lessons
6 lessons cover this conceptIdentity, Accounts, and the Identity Lifecycle
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Authentication Factors and Modern Authentication
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Directory Services and Identity Infrastructure
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Authorization Models: RBAC, ABAC, and Beyond
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Privileged Access Management
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Identity ATT&CK Patterns and Defender Signals
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