Final answer:
Physical security includes outside perimeter security, which encompasses barriers and surveillance to deter external threats, and inside perimeter security, which involves access control and monitoring to protect the interior of a facility from potential intruders.
Step-by-step explanation:
The physical security, which ensures the safeguarding 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. This includes protection from fire, flood, natural disasters, burglary, theft, vandalism, and terrorism.
Outside Perimeter Security: This layer includes measures to discourage or delay unauthorized access from outside threats. It can consist of barriers like fences, gates, security guards, and surveillance systems like CCTV cameras and motion detectors.
Inside Perimeter Security: This layer protects the interior of a facility. It involves access control systems such as locks, key cards, biometric systems, and security personnel monitoring the movement within the premises. Both outside and inside perimeter security systems are crucial in creating a secure environment that can detect, deter, and delay potential intruders, ensuring overall safety and security.