Authentication factor
Also called: factor
Course: AP® Cybersecurity Shows up in: Unit 4: Securing Devices
A piece of proof of identity: knowledge (know), possession (have), biometric (are) or location (where).
Appears in the course and exam description (CED): 4.2.C.1
Why it matters in Unit 4
Multifactor authentication (MFA) combines two or more different factors.
Example
A password is knowledge; a phone is possession; a fingerprint is biometric.
Learn it properly, with a checkpoint 4.2 Authentication