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IEC/TR 63415 Ed. 1.0 en:2023

Nuclear Power plants - Instrumentation and control systems - Use of formal security models for I&C security architecture design and assessment
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IEC/TR 63415 Ed. 1.0 en:2023

Nuclear Power plants - Instrumentation and control systems - Use of formal security models for I&C security architecture design and assessment

PUBLISH DATE 2023
IEC/TR 63415 Ed. 1.0 en:2023

Nuclear Power plants - Instrumentation and control systems

Use of formal security models for I&C security architecture design and assessment

IEC TR 63415:2023 provides an overview over the formalized modelling and designing of cybersecure architectures to apply for I&C system cybersecurity enforcement at NPPs.

The plant-specific risk assessment can use the techniques covered by this TR.

This document considers the complex problem of NPP I&C architecture synthesis to address particular issues:

  • asset classification,
  • barrier measures assignment,
  • the information transfer and links conformity with security requirements.

This document provides guidance on creating a comprehensive security model applicable to NPP I&C systems that describes NPP I&C cybersecurity architecture and aids in accomplishing the main tasks of I&C system secure design, which are:

  • specification of system designs with increased determinism that enhance security,
  • mapping of the security requirements into the security architecture of the I&C system,
  • definition of the security requirements for information exchange between components within the I&C system, operators and other systems,
  • assistance in the determination of the security degree assignment with a model-based technique considering asset properties and formal grouping of the assets,
  • design and establishment of security zones boundaries.
SDO IEC: International Electrotechnical Commission
Document Number IEC/TR 63415
Publication Date Aug. 1, 2023
Language en - English
Page Count
Revision Level 1.0
Supercedes
Committee 45A
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