Smart Security System using Shuffling Keypad with SOS System

Security systems for lockers or vaults these days have been largely compromised. As technology advances, the possibility of robbery also increases. One of the most secure and widely used security systems is password protected. As with any devices that use a keypad for authentication or access, there is a risk that the password will be compromised by unscrupulous individual may deliberately observe your finger motions on the keyboard and attempt to predict your password or use the powder method to recognize fingerprints. This paper presents a smart security system with a shuffling keyboard to overcome the issues and reduce the thefts. This system also comprises solutions for robberies in case of hostage situations, attack on the large organizations, home thefts, and unauthorized vehicle access by activating smooth silent alert system. This system is built by using Micro controller with touch screen. The screen displays every message for the users understanding.