IEC 62443: OT Cybersecurity Explained for IT Teams

IEC 62443 is the international cybersecurity standard for industrial control systems (ICS) and OT networks. Its four series blocks define security zones and conduits, four protection levels (SL 1-4) and seven foundational requirements. NIS2 pressure is accelerating adoption across Europe. IT teams need to master it to coordinate network segmentation, monitoring and incident response with OT environments.

December 4, 2024 4 min 251 4.5

Architecture

Modern SCADA in Containers: Advantages and Risks

Containerising SCADA makes sense for the upper architecture layers: HMI, historians, and data gateways. PLCs still control hardware with hard determinism. The biggest risk is cultural: applying DevOps patterns without adapting to OT context causes incidents. NIS2 requires managing containers as any other critical infrastructure asset.

April 29, 2024 4 min 226 4.4