You work in the IT department of a highly secure government

You work in the IT department of a highly secure government facility, and you are evaluating different biometric methods of computer authentication. Of the following, which method of biometric authentication is considered the least reliable?

A. Fingerprint scan

B. Hand geometry scan

C. Retina scan

D. Voice analysis

Solution

D. Voice Analysis

This can be easily replicated by others.

Also, sometimes the original user\'s voice may not be captured properly too (in case of cold, cough, ageing etc)