OT / ICS Security
Protects industrial control and SCADA systems.
Overview
OT security provides passive asset discovery, threat detection, and segmentation for industrial control systems where availability and safety dominate. It bridges IT and OT visibility without disrupting fragile processes. Sold per site, sensor, or monitored asset. Critical-infrastructure regulation is a strong driver.
Only relevant if you operate industrial/OT environments.
Advantages
- Dragos deep ICS threat intel
- Claroty/Nozomi strong passive discovery
- safety-aware design
- meets critical-infrastructure regulation.
Trade-offs
- Specialized and costly
- irrelevant without OT
- IT/OT organizational friction
- fragile networks limit active scanning.
Open-source option
No full OSS OT platform, but monitoring slices are covered: Malcolm (CISA) and Security Onion (both listed below) ship Zeek ICS/SCADA protocol parsers with purpose-built dashboards for passive detection; commercial tools still add the OT asset inventory, vulnerability management, and curated ICS threat intel that neither open-source option provides.
Vendors & tools in this area
Free NSM platform (Zeek/Suricata/Elastic) with ICS/SCADA protocol dashboards built in.
Visit site →Digital-twin continuous penetration testing for OT/critical infrastructure.
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