OT Security DIAGNOSE Services

Helping you gain clarity on your security posture and uncovering risks before they escalate.

The challenge

Before you start looking at implementing OT cybersecurity tools or processes, you need to clearly understand your environment. You need to know the risks you face and the potential impacts on safety, operations, and compliance. But there are challenges that many organisations face.

Limited visibility

Limited visibility of OT assets, connections, and vulnerabilities.

Using assumptions

Using assumptions rather than facts to guide investment and security decisions.

Reactive approach

Taking a reactive approach to threats, which are often uncovered only after incidents or audits.

The solution

Our OT Cybersecurity assessment services ensure you can move forward with confidence. Whether addressing regulatory requirements like NIS2, securing against ransomware, or simply building trust between teams, we transform uncertainty into clarity.

A man in a high-visibility jacket and hard hat sits before a bank of computer screens

OT Risk & Visibility Assessment

By identifying hidden assets and vulnerabilities, we help you establish a baseline security posture, demonstrate compliance with frameworks such as NIS2 and IEC 62443, and translate complex risks into actionable language for leadership.

What we deliver:

Asset inventory
Vulnerability & risk report
Prioritised remediation roadmap
Executive summary

Benefits to you:

Full OT asset discovery
Vulnerability identification and prioritisation
Baseline for compliance (e.g., NIS2, IEC 62443)
Board-ready insights into risk

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Two men in high-visibility jackets and hard hats stand in an industrial environment holding a laptop and discussing the plant machinery

Compliance Assessment

With increasing regulatory scrutiny, organisations must demonstrate compliance with standards like NIS2 and IEC 62443. Harpoon’s Compliance Assessment reviews policies, processes, and controls to highlight gaps and prioritise improvements.

What we deliver:

Compliance scorecard
Gap analysis report
Action plan
Leadership briefing

Benefits to you:

Clarity on compliance gaps
Actionable recommendations
Reduced regulatory exposure
Independent review

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A woman wearing a high-visibility jacket, hard hat and saftey glasses stands in a factory enviroinment holding a computer tablet

OT Security Programme Health Check

Organisations partway through OT security programmes often lose momentum or struggle with direction. Harpoon’s Health Check provides an independent, objective review to get programmes back on track.

What we deliver:

Programme maturity review
Gap and risk analysis
Realignment plan
Executive summary

Benefits to you:

Independent review of progress
Identification of risks and gaps
Practical recommendations
Realignment with goals

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Why Harpoon?

We balance security with operational realities, ensuring findings are practical, prioritised, and immediately actionable.

We combine regulatory expertise with operational understanding, ensuring compliance recommendations are practical and achievable.

We bring outside perspective and OT-specific experience, giving leadership confidence that the programme is still on track.

“The OT Risk Insight engagement delivered quick wins without disrupting production. We are now working through mitigation recommendations to improve posture.”
Plant Director, Automotive Supplier

Request our OT cybersecurity brochure

Our services brochure provides more details on all the solutions we offer under the Diagnose, Design, Build, Operate framework, as well as information about our flexible delivery models.

Please fill in the form below to request your copy.

Or better still, let’s talk

If, like us, you prefer a conversation, why not book a free consultation with one of our team? You won’t be committed to anything – it’s just a chance to chat about your situation and see if we can help.

Book a FREE consultation

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Company Info

Harpoon Consulting
Level 37,
1 Canada Square,
Canary Wharf,
London,
E14 5AA
Tel: +44(0)2039166183