Simply put, an access control system is a process put in place by a company to increase their security by allowing or denying individuals access to certain areas, be they physical (such as doors) or digital (such as certain computer files). A proper access control system keeps track of who accessed certain files or areas and at what times this admittance occurred. In order for a system such as this to work to its full potential, great care must be taken to ensure that it works with all of the other security measures already in place. This includes having a system that is fully functional with timecards, ID cards, and badges, if they are used. When all the components work in harmony, a proper system is impossible to beat.