River Caudle
OT / ICS security · field research & frameworks
River Caudle is an OT/ICS security practitioner and Chief Strategy Officer of River Risk Partners. Twenty years designing and defending the industrial control systems behind things that cannot fail, across mining, oil and gas, and manufacturing. Member of the CIE Community of Practice; PERA contributor.
More about the work →Research · the case in full
The Convergence Paradox
Fact-checking the "80% problem": a forensic review of IT-to-OT lateral movement across Colonial Pipeline, JBS, Toyota, Nucor, and American Water. And why the real failure is business-driven architecture, not the attack path.
River Caudle · 2025 · 15 min. read →
Research
Satellite-Illuminated Passive Bistatic Radar
Low-altitude aerial detection on commodity Ku-band hardware.
2026 · 18 min · defensive publication
The IEC 62443 Implementation Crisis
A line-by-line read of Siemens PCS 7's own certified documentation.
2025 · 18 min
How Skilled Trades Professionals Learn
Hands-on retention ≈75% vs ≈20% for lecture. 80 sources.
2025 · 14 min
Writing
Why Convergence Is Dead
Data acquisition is solved; infrastructure convergence is the mistake.
2025 · 10 min
The SHIP Framework™
Standardize, Harden, Isolate, Protect. Designing the network.
2025 · 7 min
2 AM on Sundays
The dairy-plant spanning-tree disaster, and what it teaches.
2025 · 9 min