The Brief 21

NexusRiver CISO Intelligence Brief, Issue 66: Whose record is it? NexusRiver: CISO Intelligence Brief Issue 66  |  Tuesday, October 6, 2026 TLP:AMBER Whose record is it? If one of your agents disrupted someone else’s system tonight, could you independently prove what it was authorized to do and stop the behavior before your model provider finished…

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…