50 posts
Firmware Update Management for Industrial Devices: Policy Over Panic
Unpatched devices are a risk; botched updates are a production outage. A process for firmware that balances both.
Ransomware and OT: Why Traditional Endpoint Protection Is Not Enough
The playbook that protects office PCs does not transfer to controllers. What ransomware actually does to OT and where the defenses belong.
Logging and Audit Trails for OT Systems: What to Collect and Where to Keep It
OT logging is hard because devices log poorly and clocks drift. A practical baseline that satisfies both engineers and auditors.
SCADA Redundancy and Failover: Designing for Availability, Not Magic
Redundant SCADA systems fail in interesting ways. What the standard topologies are and how to test the one you buy.
MQTT QoS Levels Explained for Industrial Messaging
QoS 0, 1, and 2 are often misread as reliability tiers. What they actually guarantee - and how to choose per message class.
Managed vs Unmanaged Industrial Ethernet Switches: Choose by Risk, Not Price
Unmanaged switches are cheaper; managed switches are controllable. When the difference matters - and when it doesn't.
OPC UA Companion Specifications: What They Are and When They Help
Generic OPC UA models get you interoperability; companion specs get you semantics. A field guide to the standard ecosystem.
Wireless Sensor Networks in Harsh Industrial Environments
Heat, metal, vibration, and interference make factory wireless hard. How to design wireless sensor networks that survive real plants.
MES vs ERP vs SCADA: Understanding the Manufacturing Software Stack
The three-letter acronyms blur together, but each layer answers a different question. A clear map of where data originates and flows.