Project presentation

Assystem supported a UK civil nuclear dutyholder in a whole-of-site cyber security assessment, as part of a national programme overseen by the regulator.

In this context, the client site requested Assystem to support the technical assessments and to support the project approach.

Project Scope

A whole-of-site Operational Technology (OT) Cyber Security assessment was carried out. It required extensive expertise of the
pre-exisitng safety case information

  • Assystem staff reviewed the safety case information of the entire site and interpreted it into the context of an Operating Technology (OT) cyber security assessment.
  • Assystem staff engaged with subject matter experts across multiple disciplines, assisted in development meetings with the regulator, and facilitated cyber assessment workshops.

Client benefits

  • The work resulted in a well substantiated characterisation of OT cyber security in the nuclear site, providing for confidence and prioritisation of onward decision making by the dutyholder and national stakeholders.
  • This support enabled the customer to pass the cyber security assessment with flying colors, being recognised by the regulator as class leading.

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