Knowledge library

Articles

Published writing and selected references on OT/ICS security, governance, risk, resilience and industrial cybersecurity.

ISA Global Cybersecurity Alliance Automation.com OT Risk Assessment

Defining Cyber Risk in OT: A Practical ISA/IEC 62443-Aligned Approach

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A practical approach to defining an OT cyber risk scenario before rating it — establishing the zone, asset, criticality, threat source and level, threat action, and vulnerability before assessing likelihood and consequence.

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Original article Cyber Risk Assessments

A Missing Control Is Not a Risk: The Role of Context in Cybersecurity Assessments

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Why a missing cybersecurity control is not automatically a business risk — and how threat scenarios, operational context, compensating controls and management-defined tolerance should shape assessment conclusions.

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ISA Global Cybersecurity Alliance Automation.com OT Risk Assessment

Simplifying Likelihood in OT Risk Assessments: A Practical ISA/IEC 62443 Perspective

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A practical article on improving consistency in OT risk assessments by simplifying likelihood evaluation through access exposure and exploitability, viewed through an ISA/IEC 62443 perspective.

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