Chinese-speaking hackers used open-source AI pentest tool to breach 10 organizations
Palo Alto Networks Unit 42 says attackers paired the open-source AI pentesting framework Cairn with Chinese models GLM and DeepSeek to run 25 operations against at least 19 organizations in August and September 2026. They gained access or took data at 10 targets, mostly in semiconductors, advanced manufacturing and defense, often after giving little more than a domain name and a one-line goal.
Why it matters
Autonomous AI attack tools are now being used in real campaigns, so defenders must assume attacks can run at machine speed with little human effort.
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