Citadel K Series Software Only

Lock down system access at the earliest point in the boot chain with Citadel K Series software-only pre-boot authentication from DIGISTOR. Designed for environments where access control must begin before the operating system starts, this software helps protect sensitive endpoints, field systems, and regulated workloads from unauthorized use. Citadel K Series is positioned for teams that need stronger boot-time assurance without introducing additional hardware into the stack. Its software-only model simplifies deployment planning while supporting compliance-driven environments that require FIPS-140-2 alignment. That makes it a practical fit for organizations standardizing secure access across fleets where physical footprint, procurement complexity, and lifecycle management all matter. For infrastructure teams, the value is in narrowing exposure at the point where many defenses are still offline. Citadel K Series helps establish a controlled pre-boot environment, supporting security policies that extend below the OS layer. It is a focused choice for buyers who need authentication at boot, not another general-purpose endpoint tool.