A physical access control system is commonly used to refer to an electronic security system. To authorise someone to enter specified places, they often utilise an identification such as an access card. They may also give useful data to help you track how your buildings and sites are being utilised because they can register who accessed where and when.

Why use an access control system instead of keys?

Mechanical keys are the most basic type of physical access control and are used by many smaller organisations. However, even for a small business, employing mechanical keys has various drawbacks and restrictions - especially as an organisation grows larger. Some of the issues raised by using keys are listed below.