IEC 62443 is an international series of standards that address cybersecurity for operational technology in automation and control systems. The standard is divided into different sections and describes both technical and process-related aspects of automation and control systems cybersecurity.
It divides the cybersecurity topics by stakeholder category / roles including:
- the operator,
- the service providers (service providers for integration and for maintenance)
- the component/system manufacturers.
The different roles each follow a risk-based approach to prevent and manage security risks in their activities.
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