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Computer Security Aspects of Design for Instrumentation and Control Systems at Nuclear Power Plants

IAEA Nuclear Energy Series No. NR-T-3.30

English STI/PUB/1870 ¦ 978-92-0-104919-3

57 pages ¦ 21 figures ¦ € 35.00 ¦ Date published: 2020

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The transition to digital technology has changed the nature of instrumentation and control (l&C) systems by enabling extensive interconnection of reprogrammable, functionally interdependent I&C systems. This development has made computer security a necessary element for consideration in I&C system design. The benefits and challenges of the various computer security methods and controls with their implementation in nuclear power plant I&C systems are discussed and described in this publication. The publication provides an overview of current knowledge, up to date good practices, experience, and benefits and challenges related to the application of computer security measures. The publication defines the key concepts for computer security for I&C systems at nuclear facilities, explains the risk informed approach to computer security and describes how computer security measures are applied throughout the l&C system life cycle. Situations where I&C systems are interconnected with enterprise management systems are also addressed. The three appendices present case studies with practical application examples.

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Computer, Security, Security Aspect, Design, Instrumentation, Control System, NPP, Nuclear Power Plant, Digital Technology, I&C, Instrumentation and Control, Reprogrammable, Functionally Independent, System Design, Benefit, Challenge, Computer Security Method, Security, Good Practice, Experience, Computer Security, Risk, Risk Informed Approach, Modelling, Life Cycle, Data Communication, Software, Software Modification, Removable Media, Recommendations, CSP, Computer Security Programme, HSI, Human-System Interface, MSI, Monitoring and Service Interface

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