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False Rejection Rate

nounid 2560·updated May 9, 2026
candidate

The measure of the likelihood that the biometric security system will incorrectly reject an access attempt by an authorized user. A system’s false rejection rate typically is stated as the ratio of the number of false rejections divided by the number of identification attempts.

polysemousMWE

Classifications

Entity Type

Metric92%llm-generatedllm:claude-haiku-4-5

Sensitivity

unclassified

Information Class

unclassified

Variants

acronym
FRR
plural
False Rejection Rates
possessive
False Rejection Rate's
pluralpossessive
False Rejection Rates'

Framework definitions

NISTIR 7298: Glossary of Key Information Security Terms, Revision 22 sensesview framework →
§1
The probability that a biometric system will fail to identify an applicant, or verify the legitimate claimed identity of an applicant.
§2 · sense_2_pending_review
The measure of the likelihood that the biometric security system will incorrectly reject an access attempt by an authorized user. A system’s false rejection rate typically is stated as the ratio of the number of false rejections divided by the number of identification attempts.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
The measure of the likelihood that the biometric security system will incorrectly reject an access attempt by an authorized user. A system’s false rejection rate typically is stated as the ratio of the number of false rejections divided by the number of identification attempts.
NIST SP 800-761 senseview framework →
§1
The probability that a biometric system will fail to identify an applicant, or verify the legitimate claimed identity of an applicant.

Outgoing relationships

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Incoming relationships

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