During a review of authentication methods, a security engineer proposes adding fingerprint scanning as a second authentication step when administrators log in to the server management console. Fingerprint data would be compared locally by the reader before access is granted. Which multi-factor authentication factor does this fingerprint scan represent?
Fingerprints, along with other physiological or behavioral biometrics such as iris or facial recognition, are unique physical characteristics tied to the user. Because these traits identify who the person is rather than what they know or possess, they fall under the MFA category of "something you are." The other options describe knowledge-based, possession-based, or location-based factors, none of which apply to biometric traits.
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What are examples of biometric authentication methods?
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Why are biometrics considered more secure compared to other authentication factors?
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