International Journal of Scientific & Engineering Research
Biometrics based authentication provides various advantages over other authentication methods, it has replaced the password based authentication and token based authentication. Biometrics plays a major role in Automated Teller Machine (ATM) system, e-commerce, online banking and passports. The growth in electronic transactions has been increased tremendously; there is a greater demand for fast and accurate user identification and authentication. In distributed system like ATM system the security is a main issue. The security levels have been grown from providing PIN (Personal Identification Number) to smart card to biometrics. Even though the security has been increased, at the same time fraudulent activities have grown to equal level.