False Acceptance

nounverified·updated May 9, 2026

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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.

polysemousMWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Senses

1 more sense beyond the canonical

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2

When a biometric system incorrectly identifies an individual or incorrectly verifies an impostor against a claimed identity

Classifications

per-axis with provenance

Entity Type

Vulnerability85%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Sensitivity

Regulated80%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Information Class

unclassified

Variants

3 surface forms

plural: False Acceptances
possessive: False Acceptance's
pluralpossessive: False Acceptances'

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