IEC 62443 Decision Tree
The IEC 62443 series is not a single document. It is a framework with over a dozen parts, and complying with the wrong section wastes time and budget. This decision tree helps you identify your organizational role and the exact standards you need to follow.
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Who Should Download This?
- Asset owners and end-users operating industrial facilities, factories, or critical infrastructure
- System integrators and maintenance service providers designing, building, or maintaining control systems for asset owners
- Product manufacturers and suppliers developing hardware or software components such as PLCs, sensors, IIoT devices, or drives
What You'll Discover:
- Your primary compliance goal for each role, from NIS2 alignment to CRA readiness
- The specific standards to target, including 62443-2-1, 62443-2-4, 62443-3-2, 62443-3-3, 62443-4-1, and 62443-4-2
- Your next concrete action, whether that is mandating supplier certification, verifying component compliance, or starting a gap analysis
Why Download This Decision Tree?
- Skip the framework confusion. Fourteen-plus parts, one clear starting point for your role
- Avoid certifying against the wrong standard, a mistake that costs both time and budget to fix
- See what regulators expect next. IEC 62443-4-1 and 4-2 support your path toward CRA and Machinery Regulation compliance
- Get a direct next step, not just theory, so you know exactly what to do after reading it
Ready to find your compliance path?
Selected References
