Consequence-Based Risk Matrices for IEC 62443-3-2
Andrew Ginter shares a proposed IEC 62443-3-2 Appendix C: consequence-based risk matrices that replace likelihood with credibility for high-impact OT cyber attacks.
October 6, 2026
Category: OT cybersecurity insights center
Welcome to the resources page! We have compiled a collection of useful information, tools, and resources to help you
New Attack Visualizations, AI Attack Insights & Threat Data
This webinar reviews recent government directives, clears up the controversy, and introduces practical approaches to islanding. We evaluate islanding advice in the context of the emerging era of AI-based zero-day exploits.
October 4, 2026
Is Your OT Actually Isolated?
A 5-Minute Self-Assessment
The CI-Fortify guidance asks critical infrastructure operators to prepare to isolate vital OT during a cyber emergency. Answer seven questions to get a clear picture of your isolation readiness — and the gaps worth investigating next.
September 23, 2026
Offshore Norge 104: Network Engineering for OT Cybersecurity
Recommended guidelines on cyber security baseline requirements for Operational Technology (OT) systems were published in June 2026. I reviewed them…
September 16, 2026
Multi-national CI Fortify Guidance at a Glance
Four governments just advised critical infrastructure operators to prepare to isolate their most important OT systems. Here’s what that means, who should care, and what to do about it.
August 27, 2026
Keeping OT Going When IT Goes Dark
This webinar reviews recent government directives, clears up the controversy, and introduces practical approaches to islanding. We evaluate islanding advice in the context of the emerging era of AI-based zero-day exploits.
August 23, 2026
Making OT Security Stronger Than IT
OT security is “hard” – engineering change control (ECC) makes patching slow and expensive, many OT devices and systems have no real support for zero trust (ZT)…
July 21, 2026
How Should OT Security Be Stronger Than IT?
In this webinar we connect first principles to modern practice: Biba, SEC-OT, CIE mitigations, UK NCSC connectivity guidance and modern “islanding” requirements all lead to OT designs whose security materially exceeds that of conventional IT networks.
July 2, 2026
Big OT Security, Smaller Footprint – Meet DiodeCore!
Two decades ago, we founded Waterfall with one purpose: to defeat nation-state attacks impacting OT environments and critical infrastructure.
June 24, 2026
Mythos, Zero Days and OT Cybersecurity
Anthropic’s Claude Mythos is the latest example of a trend many of us in industrial cybersecurity have been warning about for years.
June 15, 2026
