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 - SERVICE 03

OT Asset Discovery & Vulnerability Assessment

Passive, non-intrusive discovery of OT and IoT assets across industrial and facility networks. Visibility into firmware, communication paths, CVEs, EOL/EOS status — delivered with OT-safe best practices.

Passive Discovery

Passive OT asset discovery supported through non-intrusive monitoring via network TAP or SPAN infrastructure.

Asset Visibility

​Documentation of device types, firmware versions, communication paths, and asset relationships across the OT network — including devices that rarely communicate.

Vulnerability Assessment

Targeted identification of outdated firmware, exposed ports, insecure services, and potentially applicable CVEs across connected OT assets in scope.

WHAT WE DISCOVER

Asset Inventory

  • OT and IoT devices present on the network

  • Device types, manufacturers, and firmware versions

  • Communication paths: PLC to HMI, historian, workstation

  • Asset relationships and operational dependencies

  • EOL and EOS equipment across all vendors and types

  • Devices that rarely communicate — often the highest risk

VULNERABILITY FINDINGS

What We Identify

  • Outdated firmware with potentially applicable CVEs

  • Exposed ports and unnecessary network services

  • Insecure protocols in use across OT segments

  • Misconfigured access controls and segmentation gaps

  • Unsupported, EOL, and EOS devices requiring replacement

  • Communication paths that cross security zone boundaries

Passive Discovery and OT Vulnerability Assessment Methodology

Passive discovery activities may utilize network TAP or SPAN infrastructure to support non-intrusive OT asset visibility and configuration review activities in live OT environments.

- DELIVERABLE

Prioritized Visibility Report

ASSET INVENTORY

  • Device list with firmware versions

  • EOL/EOS status by device

  • Communication path documentation

VULNERABILITY FINDINGS

  • Potentially applicable CVEs by device and severity

  • Exposed ports and insecure services

  • Prioritized by operational risk

RECOMMENDATIONS

  • Remediation priorities and options

  • Replacement planning support

  • Modernization decision framework

EOL/EOS PLANNING GUIDE

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