ICS_eng.pdf

This National Cyber Directorate supplementary document provides an overview of ICS/OT architectures (SCADA, DCS, Purdue/triangle models), enumerates common threats and historical incidents (e.g., TRITON, BlackEnergy), outlines risk assessment methodologies (AIC, Star model) and presents a comprehensive control catalogue and implementation guidance for protecting industrial control environments, including network segmentation, secure communications, patching strategy, removable media controls, monitoring, and incident preparedness.