OT Security & CNI Resilience

Securing the Systems That
Keep the Nation Running

Independent advisory services for Critical National Infrastructure operators navigating an increasingly complex OT security and regulatory landscape.

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25+
Years Delivering Complex Programmes
CNI
Energy · Water · Utilities · Finance
IEC
62443 Certified Specialist
01
IEC 62443 Compliance and Gap Assessment

Framework-based assessment of OT security posture against the IEC 62443 standard. Structured report with prioritised recommendations tailored to your operational environment.

02
OT Security Governance and Risk Advisory

Helping CNI operators establish or improve security governance, risk management frameworks, and assurance processes designed for the realities of OT environments.

03
NIS2, CAF and Cyber Resilience Bill Readiness

Supporting CNI operators in assessing and preparing for tightening UK and European regulatory requirements — including NIS2, the CAF framework, and the forthcoming UK Cyber Resilience Bill — with gap analysis, prioritisation, and practical remediation roadmaps.

04
Secure Operating Model Design for Utilities

Designing how security is organised, governed, and delivered across utility operations — bridging the gap between IT security teams and OT engineering realities across energy, water, and gas networks.

Independent.
Experienced.
Operationally Grounded.

RS Consult brings 25 years of programme delivery across energy, utilities, manufacturing, and financial services CNI — now focused exclusively on OT security governance, risk, and resilience advisory.

Founded by Rahul Menon, a cybersecurity and transformation leader with direct experience in Ofgem-regulated utilities, Bank of England-mandated security programmes, and major UK CNI transformation.

CISSP IEC 62443 CCSK NCSC IR ServiceNow GRC
"The convergence of IT and OT security demands advisors who understand both the technical frameworks and the operational constraints of running critical infrastructure."
— Rahul Menon, Principal, RS Consult

Let's Discuss Your
OT Security Challenges

Whether you are assessing your IEC 62443 compliance posture, preparing for the Cyber Resilience Bill, or redesigning your OT security operating model — we would welcome a conversation.

Sectors Served