IEC 62443 whitepaper

IEC 62443 Industrial Security Standards

Download the White Paper

Download the White Paper

An Overview of the IEC 62443 Series of Standards

Adopting Industrial Internet of Things (IIoT) or Industry 4.0 technologies increases potential exposure to cyber threats. Certification to one or more of the IEC 62443 standards can serve as an important step in an organization’s strategy for minimizing the risks from cyber threats. IEC 62443, Industrial Communication Networks – Network and System Security, is a series of internationally accepted standards, technical reports and technical specifications that provides a systematic approach for assessing and mitigating cybersecurity risks in each aspect of an industrial control system (ICS).


This White Paper covers:

  • Cybersecurity for operational technology (OT) and industrial automation and control systems (IACS)
  • IEC 62443-2-1, IEC 62443-2-4, IEC 62443-3-2, IEC 62443-3-3, IEC 62443-4-1, and IEC 62443-4-2
  • IEC 62443 security levels

  • Benefits of an IEC 62443 certification

  • TÜV SÜD’s approach to the IEC 62443 framework


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