What priority should a biometric system take into consideration?

A biometric system must prioritize establishing low false rejection rates (FRR) to enhance customer convenience while maintaining security. A low FRR indicates that the system successfully recognizes authorized users most of the time, reducing the number of instances where legitimate users are incorrectly denied access. This not only improves user experience but also promotes trust and acceptance among users regarding the biometric technology.

While security is undeniably crucial, it should not come at the expense of usability. If a system has a high FRR, legitimate users may become frustrated if they frequently have to attempt multiple times to gain access. By focusing on customer convenience through a low FRR, organizations can implement effective biometric solutions that users feel comfortable using on a day-to-day basis.

The other aspects mentioned, such as high false rejection rates for heightened security, are less favorable in contexts where user satisfaction is essential. A complex user interface may lead to user errors and dissatisfaction, and although high throughput for large user bases is important, it's less critical than ensuring authorized users can access the system smoothly. Prioritizing the false rejection rate in conjunction with security measures creates a balanced approach that enhances both user experience and security efficacy.