We are so accustomed to recognize people in our daily life that we often take this task for granted. Despite the often heard problems of fraud in the electronic transactions over the Internet, automated identity authentication suggested by biometric technology is not looked into seriously by most corporations.

Essentially, biometrics is the automated approach to authenticate the identity of a person using the individual's unique physiological or behavioral characteristics such as fingerprint, face, voice, signature etc. Since it is based on a unique trait which is part of you, you do not have to worry about forgetting it, losing it or leaving it at some place.