The Brief 41
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NexusRiver 047 — The Exclusion Arrives Before the Claim TLP:AMBER — Limited Disclosure NexusRiver 047 NexusRiver — CISO Intelligence Brief Issue 047 · Thursday, 30 July 2026 · Insurance & Agent Authority The Exclusion Arrives Before the Claim Sixty-one P&C insurance groups have now taken a formal position on artificial intelligence in their liability forms….
NexusRiver — October 8, 2026 NexusRiver · Issue 67 · Thursday, October 8, 2026 TLP:AMBER Microsoft just told you the operating system is not where your agents are controlled. Containment is going cross-platform. A threat actor showed this week what that does and does not cover. By Eric Yehle. 01 · Containment leaves the OS…
NexusRiver | CISO Intelligence Brief — Issue 62 · September 22, 2026 TLP:AMBER NEXUSRIVER // ISSUE 62 NEXUSRIVER CISO Intelligence Brief · Issue 62 · Tuesday, September 22, 2026 CREDENTIAL LIFECYCLE // AUTHORITY AFTER EXIT The access was a courtesy. The authority had already expired. CrowdSec kept a departing engineer’s GitHub access open so he…
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…
NexusRiver | CISO Intelligence Brief — Issue 32 · June 2, 2026 TLP:AMBER NexusRiver CISO Intelligence Brief Issue 32 NexusRiver // CISO Intelligence Brief Issue 32 · Tuesday, June 2, 2026 · Software Armor LLC Two Minutes to a Database. The most important agentic intrusion of the month required knowing the researcher’s name to find….