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False Acceptance

nouncandidate·updated May 9, 2026

In biometrics, the instance of a security system incorrectly verifying or identifying an unauthorized person. It typically is considered the most serious of biometric security errors as it gives unauthorized users access to systems that expressly are trying to keep them out.

Framework senses

NISTIR 7298: Glossary of Key Information Security Terms, Revision 22 sensesview framework →
§1
When a biometric system incorrectly identifies an individual or incorrectly verifies an impostor against a claimed identity
§2 · sense_2_pending_review
In biometrics, the instance of a security system incorrectly verifying or identifying an unauthorized person. It typically is considered the most serious of biometric security errors as it gives unauthorized users access to systems that expressly are trying to keep them out.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
In biometrics, the instance of a security system incorrectly verifying or identifying an unauthorized person. It typically is considered the most serious of biometric security errors as it gives unauthorized users access to systems that expressly are trying to keep them out.
NIST SP 800-761 senseview framework →
§1
When a biometric system incorrectly identifies an individual or incorrectly verifies an impostor against a claimed identity