Reality shows that passwords, ID numbers or PINs are not safe, and definitely not sufficient as a standalone authentication factor. No matter how complex you make your password, there is still a need for additional layers of security. That is one of the reasons why biometrics became so popular as a means of authentication. Biometric-based authentication is more robust than any other method and ties an identity to a specific individual rather than a password or a code that could be used by anyone.
But many of us still wonder which type of biometrics is the best fit to our organization or environment, and which would best serve our needs and requirements. This article reviews several biometrics technologies including voice biometrics, fingerprint and facial biometrics, and helps readers understand the pros and cons of each.