Concept Breakdown: What is a mantrap in physical security?

Access control is a security technique that regulates who or what can view or use resources in a computing environment.

A mantrap is a small room with two doors, where only one door opens at a time to prevent tailgating.

Physical security is the protection of personnel, hardware, software, networks and data from physical actions and events that could cause serious loss or damage to an enterprise, agency or institution.