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SERVICE

OT Asset Discovery Service

Our OT Asset Discovery Service gives you a complete, accurate view of your OT-connected assets to improve control, reduce uncertainty, and strengthen operational resilience.

Key Benefits

Harpoon’s OT Asset Discovery Service provides a complete, independent inventory of every OT-connected asset in your estate. Using safe, non-intrusive discovery methods designed for live operational environments, we uncover all OT assets, devices, connections, and communication pathways, giving you the foundation needed to take control of your OT landscape.

Accurate, independent inventory of all OT-connected assets

Improved visibility across legacy, undocumented, or orphaned devices

Clear understanding of communication flows and dependencies

Baseline for compliance (e.g., NIS2, IEC 62443)

Methodology

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  1. Discover — We use passive and non-intrusive techniques to identify all OT-connected assets and communication flows
  2. Classify — Categorise devices by type, function, criticality, and operational role.
  3. Map — Visualise connections, dependencies, and network topology.
  4. Report — Provide clear executive and technical outputs to support next-step decision making.

Deliverables

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  • Full OT asset inventory (type, location, connectivity, metadata)
  • OT network & communication map
  • Identification of unmanaged, unknown, or undocumented assets
  • Executive summary & technical support

Deliverables listed are provided as a guideline and will vary depending on the scope of work, agreed Statement of Work (SOW), and programme requirements.

Our OT Asset Discovery Service provides a complete, validated inventory of all OT-connected assets and a clear picture of how they interact. Leadership gains confidence through a high-level summary, while engineering and OT teams receive detailed, actionable insight to support planning, segmentation, lifecycle decisions, and compliance.

Why us?

Independent, OT-specific expertise

Unlike vendor-led assessments, Harpoon provides independent, OT-specific expertise.

Security based on
operational realities

We balance security with operational realities, providing practical, real-world solutions.

Safe methodology

The ideal asset discovery for industrial environments. We use non-intrusive methods that won’t impact your operational processes.

Interested in our OT Asset Discovery service?

Book a FREE consultation with one of our team to discuss it further.

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“Harpoon cut through the noise and gave us a clear OT security plan. In six weeks we had asset visibility, prioritised risks, and a roadmap our ops team actually bought into.”

CISO, UK Manufacturing Group
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