Security is a big concern in today’s world scenario. People across the world try to use best measures available to safeguard themselves against all possible dangers. They try to protect themselves from intruders, accidents, thieves, fire, and all other dangers. They adopt various measures such as CCTV, alarm systems, access control systems and security systems at their homes and offices. People with large organization try to give the best security to their staff and therefore they often install the access security system in their premises. The access control system allows only the selected few people with permission to enter the premises. The staff members are issues access cards so that they can punch this card number at the entrance to be able to enter the…