Logic Control Systems
Operational Technology Security

The OT Cybersecurity Cycle

A continuous cycle of governance, and ten supporting practices, for securing operational technology environments
Network Segmentation & Zoning
Isolate IT, OT and safety networks into defensible zones and conduits.
Asset Inventory & Risk Assessment
Know every device on the plant floor and the risk it carries.
Secure Remote Access
Jump hosts, MFA and time-boxed sessions for vendors and engineers.
Vulnerability & Patch Management
Risk-based patching that respects uptime and safety constraints.
Secure Configuration & Hardening
Lock down default settings, ports and services on control assets.
Make OT Risk a Board Priority Determine Your OT Risk Appetite Set Risk Management Policies OT SECURITY CONTINUOUS CYCLE
Managing User Privileges & Access
Least-privilege access, role separation and credential hygiene.
Continuous Monitoring & Threat Detection
SOC visibility across OT protocols and control-network traffic.
Incident Response & Recovery
Playbooks, backups and safe-state recovery for control systems.
Vendor & Supply Chain Security
Vet integrators, OEMs and third-party components before they connect.
Employee & Operator Training
Build cyber awareness into daily operations on the plant floor.
Board priority
Risk appetite
Risk management policy