performing-ot-network-security-assessment - Assess OT Networks and Industrial Control System Security
Conducts passive-first security assessments of OT/ICS networks, covering Purdue levels, IT/OT convergence, zone firewalls, industrial protocols, and attack surfaces.
Tags
Updated: 2026-10-19Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Define assessment scope
- Establish safety boundaries
- Discover OT assets passively
- Analyze packet captures
- Classify Purdue levels
- Map industrial protocols
- Identify cross-zone flows
- Evaluate firewall rules
- Generate assessment reports
Inputs
- Written assessment authorization
- OT network packet captures
- Network diagrams
- Firewall rule sets
- Asset inventories
- Facility safety information
Outputs
- OT asset inventory
- Protocol distribution
- Communication flow mappings
- Cross-zone flow findings
- OT network assessment report
Requirements
- Asset-owner authorization
- Operations-management authorization
- Purdue model knowledge
- IEC 62443 knowledge
- Passive monitoring tools
- Packet-analysis tools
- Access to OT network data
- Assessment safety briefing
