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SERVICE

OT Security CISO as a Service

Harpoon’s OT Security Ciso-as-a-Service provides flexible access to experienced OT leaders who act as your virtual CISO. We work as an extension of your team, setting priorities, maintaining risk registers, overseeing compliance activities, and providing regular reporting to leadership. This engagement adapts to your requirements, ranging from a few days per month to ongoing part-time support.

Key Benefits

With Ciso-as-a-Service, organisations maintain momentum without adding permanent overhead. You gain direct access to senior OT expertise, ensuring that risks are managed, compliance is tracked, and programmes are aligned with business priorities.

It provides cost-effective assurance for leadership while giving technical teams the guidance they need to focus on delivery. The outcome is clarity and confidence at the executive level, coupled with measurable improvements at the operational level.

Continuous leadership & prioritisation

Regular risk/compliance reporting

Stakeholder alignment across OT/IT/Exec

Scalable access to specialists

Methodology

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  1. Onboard — Baseline posture, priorities and stakeholders
  2. Plan — Set monthly/quarterly objectives and metrics
  3. Run — Drive cadence, decisions and escalations
  4. Evolve — Re-prioritise as operations and risks change

Deliverables

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  • Monthly plan & cadence calendar
  • Risk register & compliance dashboard
  • Executive/board reporting pack
  • Training & comms schedule

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

Ciso-as-a-Service provides an always-on leadership wrapper: clear priorities, up-to-date risk and compliance status, and a steady drumbeat of delivery without adding permanent headcount.

Why us?

Expertise and leadership

We offer pure-play OT security expertise together with proven leadership.

Extensive talent pool

We can draw on an impressive pool of talent, giving you flexible access to experienced OT leaders.

One of the team

We work as part of your team and are as committed to your objectives and your success as you are.

Interested in Ciso-as-a-Service for your business?

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

Complete this short form and we’ll get back to you asap to arrange a time to talk.

“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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