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Cyber Security Modeling of Non-Critical Nuclear Power Plant Digital Instrumentation

Abstract : This chapter examines potential attack vectors that exist in a nuclear power plant and correlates the likelihood of an attack from each vector. The focus is on the boron monitoring system, which directly affects the reactivity in the core; cyber attacks on this system can lead to increased core wear, unsafe reactivity levels and poor power performance. A mockup model is developed using open-source software and hardware, which is tested to evaluate the potential of cyber attacks. A man-in-the-middle attack is implemented to demonstrate a cyber attack and its potential effects. Additionally, a redundancy-based cyber attack mitigation method is implemented using a hardware device that compares the input/output values of multiple programmable logic controllers. The approach for modeling general attack and defense steps is applicable to industrial control systems in the energy sector.
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Submitted on : Monday, October 4, 2021 - 5:50:04 PM
Last modification on : Wednesday, November 3, 2021 - 7:05:58 AM
Long-term archiving on: : Wednesday, January 5, 2022 - 7:08:14 PM


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Trevor Maclean, Robert Borrelli, Michael Haney. Cyber Security Modeling of Non-Critical Nuclear Power Plant Digital Instrumentation. 13th International Conference on Critical Infrastructure Protection (ICCIP), Mar 2019, Arlington, VA, United States. pp.87-100, ⟨10.1007/978-3-030-34647-8_5⟩. ⟨hal-03364576⟩



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