Wirtek's Blog
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Previous posts
Securing IT and OT convergence in industrial systems
How to secure IT and OT convergence in industrial systems: the Purdue model's evolution, segmentation, zero trust and alignment with...
Connecting legacy industrial equipment to modern IoT
How to connect legacy industrial equipment to modern IoT systems using edge computing, protocol translation and secure-by-design...
What NIS2 means for substation and SCADA security
How NIS2 reshapes OT security for substation automation, SCADA and RTUs, and what energy operators must document to stay compliant.
IEC 62443 explained for industrial and energy operators
A clear guide to IEC 62443 for industrial and energy operators: security levels, zones and conduits, and how it maps to NIS2...
Why outcome-based delivery beats man-hours
Outcome-based project delivery beats buying man-hours for software and IoT work. Why accountability, quality and risk transfer decide...
Context-aware automation: beyond raw device data
Device telemetry alone cannot optimise connected systems. Context-aware automation fuses external data into real industrial value.
The hidden cost of legacy RTU systems in modern grids
The hidden cost of legacy RTU systems in modern European grids, with current data on grid investment, modernisation risks, and EU...
Connectivity reliability in industrial IoT: designing for intermittent and degraded networks
How to design industrial IoT systems for intermittent and degraded networks, with edge architecture, protocol choices, and EU...
Protocol fragmentation in industrial IoT: how to integrate Modbus, OPC UA, MQTT, and the rest
Why protocol fragmentation breaks industrial IoT projects, and how to integrate Modbus, OPC UA, MQTT, and legacy systems into one...
Testing under the EU Cyber Resilience Act: what manufacturers of connected products need to prove
What manufacturers of connected products must prove under the EU Cyber Resilience Act, with deadlines, testing evidence, and...
QA for IoT and connected products: why traditional testing falls short
Why traditional software QA fails for IoT and connected products, with current data on testing challenges, security risks, and EU...
