Getting started·8 min read
Controls Engineer's Guide to OT Cybersecurity
You already understand risk. This guide maps functional safety concepts — HAZOP, SIL, IEC 61511 — directly to OT cybersecurity, so controls engineers can apply what they already know.
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Standards·10 min read
IEC 62443 Explained: The Industrial Cybersecurity Standard
A plain-English guide to IEC 62443. What the standard covers, how its parts fit together, Security Levels, zones and conduits — and where to start.
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Network security·12 min read
OT Network Segmentation: Zones, Conduits & the Purdue Model
How to apply the Purdue model and IEC 62443 zones and conduits to reduce attack surface in a real industrial network. Includes common mistakes and practical steps.
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