Last updated 23 Jun 2023
A False Accept is when an imposter is incorrectly accepted as the genuine user during authentication.
A False Accept is one of 4 possible outcomes from an authentication decision. It occurs when an imposter is incorrectly accepted as a genuine user.
The False Accept Rate (FAR) is usually expressed as percentage and is the security performance objective of call centre security process. It can be evaluated using a True User Imposter Test (TUIT) which simulates many imposter access attempts. It is important to remember that this is not the percentage of all authentications but is dependent on the attack rate i.e. the percentage of calls that are from imposters.
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