Abstract: “Biometrics is the utilization of biological characteristics or behavioral traits for an identification and verification of an individual. Biometric technology is fast gaining popularity as means of security measures to reduce cases of fraud and theft due to its use of physical characteristics and traits for the identification of individuals. Biometric system has now been deployed in various commercial, civilian and forensic applications as a means of establishing identity. We have outlined the usage of various Biometrics systems, working, comparison between different techniques and their advantages and disadvantages. Various probable attacks on biometric systems and their solutions are also discussed”

Keywords: authentication, biometrics, cryptography, recognition, validation, verification