IoT & OT
IoT, OT & Industrial Cybersecurity
IoT/OT security, Purdue model, Modbus, OPC UA, MQTT, ICS, segmentation.
This is the TechLeague pillar page for IoT & OT: 54 hand-curated guides, blueprints and roadmaps, grouped by sub-topic so you can go from zero to production fast. Start anywhere β every article is independent and links back to its cluster.
Latest articles
Frameworks & Standards11
Data diodes for unidirectional flow
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βDCS vs SCADA: when to use what
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIEC 62443 overview for engineers
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIndustrial DMZ (iDMZ) design
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT fleet management at scale
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT incident response playbook
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT vs OT vs IIoT explained
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βNIST SP 800-82 ICS security
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βOT network segmentation patterns
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βPurdue Enterprise Reference Architecture 2026
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βSCADA architecture deep dive
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βProtocols13
BACnet for building automation
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βBluetooth Mesh networking
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βDNP3 protocol overview
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βLoRaWAN fundamentals
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βLwM2M and CoAP for IoT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βMatter, Thread and Zigbee
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βModbus TCP/RTU deep dive
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βMQTT vs AMQP vs CoAP
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βNB-IoT and LTE-M for cellular IoT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βOPC UA fundamentals
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βPROFINET vs EtherCAT vs CIP
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βSigfox network overview
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βZ-Wave vs Zigbee
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βVendors & Platforms12
Armis agentless device security
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βAWS IoT Core architecture
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βAzure IoT Hub deep dive
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βCisco Cyber Vision for OT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βClaroty xDome OT visibility
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βDragos platform for ICS
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βForescout OT/IoT security
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βFortiNAC for IoT visibility
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βGCP IoT Core deprecation: alternatives
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βNode-RED flows for IoT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βNozomi Networks platform overview
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βThingsBoard open IoT platform
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βVerticals & Edge18
Connected car cybersecurity
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βDigital twins for IoT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βEdge computing for IoT workloads
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βAI anomaly detection for IoT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT asset discovery techniques
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βCellular failover for IoT gateways
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT data lakes and data mesh
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT firmware OTA updates
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT message brokers compared
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βPKI for IoT at scale
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βSecure boot and root of trust on IoT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βIoT/OT to SOC integration
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βZero Trust for IoT and OT
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βMedical device security (IoMT)
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βOT patch management strategies
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βSmart building reference architecture
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βSmart grid cybersecurity
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βTPM and HSM for IoT devices
Practical, blueprint-driven walk-through with design choices, pitfalls and a fast learning path.
Read article βTechLeague Challenges
Stop reading about IoT & OT. Start competing.
Every guide on this page maps to a hands-on challenge with real ranking. Solve the lab, submit the config, climb the leaderboard.
Open the challenge arena βFAQ
- Where should I start with IoT & OT?
- Open the "Certifications" or "Fundamentals" cluster above and read top-down β every guide is self-contained.
- Are these guides updated for 2026?
- Yes. Every post on this page is dated 2026 and follows current vendor blueprints.
- Do I need a lab to follow them?
- Recommended. Most guides include lab suggestions; for IoT & OT a free trial or sandbox is usually enough.