Topic

IEC 62443

All articles on IEC 62443.

Regulations

IEC 62443 in practice: from gap assessment to your first remediation plan

IEC 62443 is the reference standard for industrial control system cybersecurity. How to use it concretely: structure, gap assessment and a first five-step remediation plan.

4 min read

Industrial network diagram with colored security zones and conduits between them

Compliance

IEC 62443 zones and conduits: how to apply it to a real plant without a year of consulting

IEC 62443 is often seen as out of reach for SMEs. Yet zones and conduits are practical tools you can apply to real plants, starting from visibility and reaching formal segmentation step by step.

5 min read

Map between IEC 62443 requirements and the capabilities of an OT monitoring platform across a segmented industrial network

Compliance

Which OT Monitoring Tools Help with IEC 62443 Compliance

IEC 62443 does not mandate a product, but many of its requirements can only be met with serious OT monitoring: asset inventory, anomaly detection, logging and verified segmentation. Which requirements map to which monitoring capabilities.

4 min read

OT network segmentation with zones, conduits and an IT-OT DMZ

Cybersecurity

OT Network Segmentation: from the Purdue Model to IEC 62443 Zones in Production

Network segmentation is the OT security control with the best cost/effectiveness ratio. From the Purdue model to IEC 62443 zones, how to implement it in production without stopping the plant.

4 min read