Tool
Cisco open sources tool for detecting AI agents on hacking sprees
First reported theregister.com
Page published
Earliest dated coverage: 28 Oct 2026 · First observed: 28 Oct 2026 · Latest dated coverage: 28 Oct 2026
Coverage timeline
Why it matters
Project Quarry could help defenders detect multi-step agent abuse and data exfiltration that appear benign when individual tool calls are evaluated in isolation.
Cisco has open sourced Project Quarry, a behavior-detection engine that evaluates AI-agent activity across entire sessions. Quarry considers relationships between actions to identify suspicious sequences, such as collecting information and subsequently sending it to an attacker-controlled destination.