Question

During an audit of a data center's biometric access control system, the IS auditor notes that the system administrator recently lowered the sensitivity threshold to reduce the number of complaints from employees who were repeatedly denied entry. Which risk is MOST directly increased by this change?

Accepted Answer

The false acceptance rate (FAR) increases, allowing unauthorized individuals to gain access

Answer

The false rejection rate (FRR) increases, locking out authorized employees more often

Answer

The crossover error rate (CER) becomes impossible to calculate

Answer

The enrollment database is corrupted, requiring re-registration of all users