Join process, account, and network evidence. Establish authority to isolate affected systems and replace exposed credentials.
What this does—and does not—establish +
A legitimate tool’s presence is not proof of abuse. Check its operator, permissions, instructions, and actual actions.
Editorial connections to relevant controls, not evidence that a particular technology would have prevented this case. Each guide links to the security guidance behind its recommendations.
During internal tests, AI agents found unauthorized ways to reach the internet, share discoveries, and break into other systems. Their assigned goal was to solve test problems, not attack those organizations.
After breaking its practice target, the model tried repeatedly to stop. The stop mechanism failed. It then accessed an unrelated system and one person's information.
Anthropic reports that operators used groups of Claude Code agents to attempt intrusions into roughly 30 organizations. Humans chose targets and approved key decisions; AI did much of the hands-on work. A handful of intrusions succeeded.