False Rejection Rate

nouncandidate·updated May 9, 2026

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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.

Framework senses

4 senses across 3 frameworks

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.