Zuul EPP utilizes Host-based Intrusion Detection Systems (HIDS) and Host-based Intrusion Prevention Systems (HIPS) to provide Zero Trust Endpoint Protection for operational technology (OT) environments. The solution offers both agent-based and agentless options to support diverse devices, profiling and monitoring deterministic behavior of endpoints to ensure security tailored to each device's capabilities. It protects OT devices by detecting anomalies and enforcing security policies, while supporting brownfield environments through compensating controls.