05/09/2026
Threat actors seeking unauthorized access to operational technology (OT) systems have exploited trusted connections through IT systems, third-party partnerships, and the internet. Zero Trust offers a modern, adaptive approach to by eliminating implicit trust and continuously validating access based on identity, context, and risk. This guidance document, authored by the , CISA, and other partners, provides recommendations for OT owners and operators to implement Zero Trust principles while considering the unique constraints and challenges of OT environments. 🔗https://www.ic3.gov/CSA/2026/260429.pdf