The document discusses the critical importance of perimeter security for data centers in Saudi Arabia, particularly in Riyadh, Jeddah, and Dammam, to protect sensitive data from physical and cyber threats. Key components of perimeter security include fencing, surveillance systems, access control, and the involvement of security personnel, while addressing challenges such as cost and technology integration. The future of data center security is expected to incorporate advanced technologies like AI surveillance and drones, emphasizing the need for robust security measures as data centers expand.