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When the vehicle becomes the vault: Closing the data-at-rest security gap in military vehicle and tactical systems

October 06, 2026

Protecting military systems where critical information resides requires extending cybersecurity beyond traditional network defense toward architectures designed to preserve classified data after physical compromise. The U.S. National Security Agency (NSA) requirement for two independent encryption layers, together with specific Commercial NSA cryptographic standards, gives engineers concrete design criteria rather than conceptual security objectives. Layered full-disk encryption, independent preboot authentication, and architectures aligned with Commercial Solutions for Classified (CSfC) data-at-rest guidance can protect information even when the network disappears and the hardware itself is lost.