VARIED PIN ENTRY SYSTEM USING DYNAMIC PASSWORD

Abstract

The current technological enhancements are consistently paving the way towards the ease of approach to the information, things or people via the combination of technology, gadgets and their regular updates. The motivating factor in this research work is the need and search for an optimized and effective security enhancement mechanism and system for duress cash withdrawals cases at ATM. Every time a client enters an ATM and inserts a card, an automated four-digit code, similar to an OTP, is created and sent as a message to the authorized consumer's mobile device via the GSM modem connected to the microcontroller. The user can then proceed with the transaction after entering the combination of PIN and OTP they got by hitting the keys on the screen of the system or on a web application.