ISA/IEC 62443 is a globally recognized standard focused on the safety and security of industrial control system and industrial automation environments. Originally developed by the International Society of Automation and later adopted by the International Electrotechnical Commission, the standard provides a comprehensive framework for reducing cybersecurity risk in operational technology environments. The ISA/IEC 62443 series is made up of multiple standards and technical reports, each addressing specific aspects such as policies and procedures, system design, secure integration, and ongoing operation of control systems. Its overall goal is to protect industrial systems from cyber threats while maintaining safety, reliability, and availability across critical infrastructure and industrial o

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