How should information security be integrated with physical security in LSCO C2?

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In LSCO C2, information security and physical security must work together as one integrated defense. The information environment depends on the physical layer—the hardware, facilities, cables, and command posts that store, transmit, and process data. Protecting networks and data isn’t enough if the physical components they rely on are exposed, damaged, or tampered with. Hardening secure lines, limiting exposure of critical nodes, and keeping command posts physically secure are all essential parts of preserving the integrity, availability, and confidentiality of information. When physical security and information security are aligned, you get a more resilient system that can withstand both cyber threats and physical disruptions.

If you treat cyber protection in isolation or assume physical security isn’t needed when networks seem secure, gaps arise that an adversary could exploit. Likewise, keeping the two domains separate undermines the layered defense LSCO requires. The best approach is a cohesive posture where physical protections support cyber protections and vice versa, ensuring robust, survivable information systems in the command and control environment.