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NSA urges zero-trust controls to protect DoW OT systems from evolving cyber threats, unauthorized access
The National Security Agency released guidance on implementing 26 high-impact zero-trust activities to secure Department of War operational technology environments, including legacy systems that cannot support modern security agents. The recommendations prioritize securing remote access, protecting OT data, maintaining asset inventories, enhancing visibility, hardening controllers, strengthening network segmentation, and enforcing access controls through methods like multifactor authentication and least-privilege access. The agency notes that nation-state and hacktivist actors increasingly exploit OT vulnerabilities and now leverage artificial intelligence (AI) to accelerate attacks, making continuous verification and policy-based access control essential to protect critical infrastructure.
Why it matters: Department of War and Defense Industrial Base operators managing legacy OT systems must adopt these zero-trust controls to prevent nation-state and hacktivist compromise of water, wastewater, and energy infrastructure that could disrupt operations or cause physical harm.
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- First seen by Cybersecurity Tracker