Episode 15: Physical Security Essentials (Domain 1)

Physical security remains a vital—if sometimes overlooked—component of cybersecurity, especially when protecting facilities, data centers, and physical access points. In this episode, we explore the essential elements of physical security, including barriers like bollards and fencing, access mechanisms such as badge readers and mantraps, and detection systems like video surveillance, infrared motion sensors, and pressure-sensitive flooring. These tools work together to deter unauthorized entry, detect suspicious movement, and delay intruders long enough for a human response. We also cover human-based physical controls such as security guards, escort policies, and visitor logs, which provide additional oversight and context that automated systems may miss. Effective physical security is not just about locking doors—it’s about creating layered defenses that support and enhance digital controls. For any organization with valuable assets or sensitive systems, physical security is as critical as firewalls and encryption.

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