Learn in the textbookBiometric Authentication and Authentication Accuracy Metrics
DefinitionFAR stands for False Acceptance Rate, the English counterpart of the Japanese term 他人受入率 (false acceptance rate).
ExplanationIt is the rate at which an impostor is wrongly accepted as the genuine user. The higher the value, the more easily impersonation succeeds, signaling a less secure setting.
Memory hookAccept means to take in, so link it with the error of taking in an impostor.