OT Risk & IEC 62443
5 min read
Defining the System Under Consideration
A vague system boundary leads to vague risk conclusions. This field note explains how to define a useful assessment scope without losing critical dependencies.
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Architecture & Segmentation
6 min read
Zones and Conduits: From Diagram to Security Decision
A zone and conduit model should do more than organise boxes on a page. It should communicate where trust changes, what flows are allowed and why controls are required.
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Monitoring & Resilience
6 min read
What Effective OT Security Monitoring Actually Requires
Effective OT monitoring depends on telemetry, use cases, context, ownership and response. A platform alone does not create an operational capability.
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Access & Assurance
6 min read
Secure Remote Access to OT
Strong identity is essential, but secure OT remote access also depends on device posture, controlled pathways, approval, session visibility and operational ownership.
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