How do access control systems enhance physical security?

Access control systems enhance physical security primarily by regulating who can enter or exit a facility. This is achieved through various mechanisms such as key cards, biometric scanners, or PIN codes, which allow only authorized personnel access to specific areas. By defining and managing access permissions, these systems help prevent unauthorized entry, protect sensitive areas, and ensure that only those who should have access to certain locations can enter. This is critical in safeguarding assets, proprietary information, and ensuring the overall safety of individuals within the premises.

Other options, while important aspects of organizational security, do not directly relate to the specific function of access control systems. Monitoring employee behavior involves observing actions that may not necessarily connect to physical entry points, providing training to staff focuses on educating employees about security protocols without directly implementing access measures, and conducting regular audits is more about reviewing effectiveness than actively controlling access in real-time. Thus, the main strength of access control systems lies in their ability to manage and dictate entry and exit to areas of importance within a facility.