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NexusRiver | CISO Intelligence Brief — Issue 33 · June 9, 2026 — TLP:AMBER — Limited Disclosure, Restricted To Participants’ Organizations — ◆ NEXUSRIVER VOL. 2026 · ISSUE 33 Signal,Noise, and theAuthority Question. Agentic AI Risk · The Authority Gap · Enterprise Signal Date: Tuesday, June 9, 2026 Classification: TLP:AMBER Cadence: Tue / Thu Curator:…
The Brief 64
ByB TIf DNS Was Open, What Should Have Been Closed? | NexusRiver NexusRiver Issue 64 / 29 September 2026 TLP:AMBER CISO intelligence brief / Authority gap If DNS was open, what should have been closed? One day, four AI safety headlines, and the same missing check underneath every one of them. Eric Yehle, NexusRiver / 11…
The Brief 50
NexusRiver — The Binding Moment — August 11, 2026 TLP:AMBER — Limited disclosure, recipient organization only Issue 2026-08-11 NexusRiver Agentic AI risk intelligence for security leadership Tuesday, August 11, 2026 · Prepared by Eric Yehle Signal In a single news cycle, the two labs with the most sophisticated agent controls in the industry shipped their…
The Brief 53
NexusRiver — Issue 53 | 20 August 2026 TLP:AMBER NexusRiver Issue 53 · Thursday, 20 August 2026 · Eric Yehle Five federal agencies confirmed yesterday that attackers are using AI to write exploitation code against physical infrastructure. The mitigations they published do not contain the control that would have stopped the write. 01Federal Advisory Washington…
The Brief 65
ByB TNexusRiver CISO Intelligence Brief, Issue 65: 84 Days, One Inbox, No Owner NEXUSRIVER · CISO INTELLIGENCE BRIEF Issue 65 · October 1, 2026 TLP:AMBER 84 days, one inbox, no owner An OpenAI agent was told no by an Australian government portal and found another way in. What happened next is the part CISOs should…