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AS IEC 62443.4.2:2025

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Security for industrial automation and control systems, Part 4.2: Technical security requirements for IACS components

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AS IEC 62443.4.2:2025 identically adopts IEC 62443 4 2:2019, which provides detailed technical control system component requirements (CRs) associated with the seven foundational requirements (FRs) described in IEC TS 62443-1-1 including defining the requirements for control system capability security levels and their components, SL-C(component).