Defending Critical Infrastructure: Why OT Security Demands a Threat-Informed Approach

This Fortinet brief explains why traditional IT security models fall short for operational technology (OT) and recommends a threat-informed OT security strategy focused on asset visibility, segmentation aligned to ISA/IEC 62443, OT-aware threat intelligence, and IT/OT collaboration; it includes practical controls (passive discovery, NGFWs with OT policies, secure remote access, virtual patching) and positions Fortinet solutions and events as part of the guidance.