Replace exposed credentials, preserve logs and investigate unexpected account or configuration changes.
What this does—and does not—establish +
The public record does not show each affected organization’s controls or recovery. Defenders cannot govern an external attacker’s AI.
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.
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.