Individual skill
performing-ot-network-security-assessment
This skill covers conducting comprehensive security assessments of Operational Technology (OT) networks including SCADA systems, DCS architectures, and industrial control system communication paths. It addresses the Purdue Reference Model layers, identifies IT/OT convergence risks, evaluates firewall rules between zones, and maps industrial protocol traffic (Modbus, DNP3, OPC UA, EtherNet/IP) to detect misconfigurations, unauthorized connections, and attack surfaces in critical infrastructure.
internal/tools/skills/data/ot-ics-security/performing-ot-network-security-assessment/SKILL.md
Source commit d42f381ad34843e71a42658e5c57290c713e85af
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- Observed behavior
- Instructions only
- Last checked
- Nov 9, 2026
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- 1,323
- Repository last updated
- Nov 8, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- ot-security Declared skill tag
- ics Declared skill tag
- scada Declared skill tag
- industrial-control Declared skill tag
- iec62443 Declared skill tag
- network-assessment Declared skill tag
- devops Derived category
- security Derived category
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# Performing OT Network Security Assessment
## When to Use
- When conducting an initial security baseline of an OT/ICS environment for a new client
- When evaluating the security posture of a facility after an IT/OT convergence initiative
- When preparing for IEC 62443 or NERC CIP compliance audits
- When assessing risk following a merger or acquisition involving industrial facilities
- When investigating whether an OT network has been compromised or has unmonitored pathways to corporate IT
**Do not use** for IT-only network assessments without OT components, for application-layer vulnerability scanning of IT web applications (see performing-web-app-penetration-test), or for active exploitation of live OT systems without explicit authorization and safety controls in place.
## Most Often Missed & How to Confirm
