IEC-62645 Nuclear power plants - Instrumentation and control systems - Requirements for security programmes for computer-based systems


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 EDITION 1.0 - Aug. 21, 2014
 ED. 1.0 CORRIGENDUM 1 - March 25, 2015

IEC 62645:2014 establishes requirements and provides guidance for the development and management of effective security programmes for I&C computer-based systems for NPPs, possibly integrating HPD (HDL (Hardware Description Language) Programmed Devices), hereinafter named I&C CB&HPD systems. Inherent to these requirements and guidance is the criterion that the power plant I&C CB&HPD system security programme complies with the applicable country's I&C CB&HPD security requirements. The primary objective of this standard is to define adequate programmatic measures for the prevention of, detection of and reaction to malicious acts by digital means (cyber attacks) on I&C CB&HPD systems. This includes any unsafe situation, and equipment damage or plant performance degradation.



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27.120.20 (Nuclear power plants. Safety Radiation protection, see 13.280)

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Document Number

IEC 62645 Ed. 1.0 b:2014

Revision Level




Publication Date

Aug. 21, 2014

Committee Number