What type of control is demonstrated by the use of a mantrap at the entrance of a facility?

The use of a mantrap at the entrance of a facility represents a preventive control. Preventive controls are measures put in place to stop security incidents before they happen. A mantrap is designed to restrict access to an area, ensuring that only authorized individuals can enter. It typically consists of two interlocking doors that only allow one to open at a time, effectively providing a physical barrier to unauthorized access.

By using a mantrap, an organization aims to prevent unauthorized personnel from entering sensitive areas, thus reducing the risk of theft, espionage, or other malicious activities. This strategy supports the overall security posture of the facility by implementing barriers that must be navigated before gaining entry. Other types of controls, such as detective controls, are designed to identify and respond to incidents after they have occurred, while corrective controls focus on rectifying issues after they are detected. In contrast, the primary purpose of a mantrap is to prevent an incident from occurring in the first place, solidifying its classification as a preventive control.