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AS IEC 62443.4.2:2025 Security for industrial automation and control systems Technical security requirements for IACS components
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
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)