NSA Releases Zero Trust Guidance for Protecting Operational Technology Systems

The "Zero Trust Guidance for Protecting Operational Technology Systems" assesses OT system vulnerabilities; provides guidance for implementing ZT outcomes despite technical limitations; identifies a manageable starting point for transitioning from perimeter-based defenses toward a verifiable, resilient, and adaptive architecture; proposes recommendations using ZT mitigation principles to prevent catastrophic impacts to our society's national security, economic security, and public health and safety; and outlines methods for tailoring ZT concepts to strengthen system security.