Part I · September 11, 2026 · 8-minute read
From AI Breaking Containment to the Race to Defend Critical Infrastructure
The rabbit hole that sent me looking for what was being built on the other side.
Read Part IThe Direnzic Briefing · A series
AI models that reached real systems from inside their test environments. More than 30 water systems hit in one weekend. A billion-dollar commitment to the defense. They looked like separate stories, until they didn’t. So I went looking for what was being built on the other side.
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Read the series in order
Part I · September 11, 2026 · 8-minute read
The rabbit hole that sent me looking for what was being built on the other side.
Read Part IPart II · September 15, 2026 · 10-minute read
OpenAI had committed $1 billion to the defense. I wanted to know what, exactly, it was building.
Read Part IIPart III · September 22, 2026 · 9-minute read
The models are getting more capable. The programs are multiplying. But somebody still has to turn all of that capability into something a real organization can actually use.
Read Part IIIPart IV · September 29, 2026 · 10-minute read
The technology is getting faster at finding problems. The question is whether the organization on the other side can decide, coordinate and act at the same speed.
Read Part IVPart V · October 6, 2026 · 11-minute read
A critical vulnerability is disclosed and a fix exists. The question is whether the organization can figure out if it is affected, decide who owns the call, act safely and prove the problem is closed.
Read Part VPart VI · October 13, 2026 · 7-minute read
For decades, cyber defense rested on one quiet assumption: there would always be more problems hiding than anyone could find. AI is breaking that assumption. What happens next depends on something no model can fix for you.
Read Part VIThen run the drill
Was It Findable? covers Part VI: twelve quick questions, a crossword, and one last cryptogram built from all six titles. Hit a dead end, rewind, and try again. Missed the earlier ones? Do We Have It? covers Part V, Who Decides? covers Part IV, Behind the Door covers Part III, and Rabbit Hole Descent covers Parts I and II.
The Direnzic Briefing
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