Access control is a fundamental aspect of electronic security, crucial for safeguarding sensitive information and resources from unauthorised access. It involves the implementation of various measures, including physical barriers, authentication methods, and digital permissions, to ensure that only authorised individuals can enter specific areas or access certain data. In the context of electronic security, access control systems can range from simple keycard entry systems to advanced biometric solutions, providing a robust method of protecting both physical and digital assets. By effectively managing who can access what, organisation's can significantly reduce the risk of security breaches and enhance their overall safety protocols.