Cyber Security Assessment of Nuclear Operational Technology (OT)

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. ​

• 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, achieving an inspection score in line with the required standards.​