New US government guidance from CAISSI + NSA + CISA: The US government defines an "SI control incident" where an agent takes significant uninstructed actions that break operator policies, controls, or oversight. Near-misses are in scope too. Companies are then asked to: - have technical controls, including rapid kill and containment mechanisms and red-teaming. - Bring in independent external auditors to verify that control and monitoring systems work. - Write a structured risk assessment…