Survey On Biometric Based ATMs

Nowadays Automated Teller Machines (ATMs) are widely used by people. People are dependent upon ATMs to conveniently meet their day-to-day needs. As it is an important factor there comes security. ATMs are electronic machines that are operated by customers to deposit or withdraw cash from banks. It is observed that the number of crimes related to ATMs is increased hence there is a need to provide better security to ATM machines. There are different technologies that are used to provide security to ATM machine which includes – RFID technology, fingerprint, face recognition, iris scan, OTP, reference number, random keypad, etc. In a traditional ATM system card and PIN numbers are used for authentication, where security plays a big concern, such as losing cards, stolen pin numbers, card cloning, shoulder surfing, fake keyboard, skimming, etc. In order to overcome these issues, this paper discusses various systems where ATM cards and pins are replaced by biometrics and how they made ATMs more secure.