In April 2026 a joint advisory from CISA the FBI and the NSA sent a shockwave through the industrial world. Iranian affiliated threat actors are actively exploiting internet exposed Programmable Logic Controllers (PLCs) across US water energy and government sectors. With nearly 75% of the world's exposed Allen Bradley PLCs located right here in the United States, the risk to critical infrastructure has never been more structural or more urgent.

In this episode, we dive deep into the technical findings of Advisory AA26097A. We move beyond the immediate headlines to discuss why this isn't just a Rockwell problem but a wake up call regarding the architectural debt of legacy OT systems designed for an era of air gapped networks that no longer exists.

What you'll learn in this episode:

The Anatomy of the Attack: How threat actors use simple authentication bypasses and default credentials to manipulate HMI displays and project files.

Immediate Mitigation: The non negotiable steps CISA recommends to secure your current environment today.

The Future of Secure PLC Selection: How to evaluate cybersecurity forward controllers using the IEC 62443 standard as a benchmark.

Hardware Deep Dive: A look at next generation solutions from WAGO and Turck including the clean sheet design of the PFC300 and the app based security of the ctrlX OS powered Edge Controller 400.

Whether you are a controls engineer a facility manager or an IT professional tasked with OT security, this episode provides a practical framework for moving from a vulnerable posture to one that is secure by design.

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