How one hacker used AI agents and a few thousand dollars to break into scores of sites

A Chinese-speaking hacker used AI agents via the open-source platform Cairn to autonomously breach over 100 company websites, including Deere, SharkNinja, and Cummins, with minimal human effort. Cybersecurity researcher Snorre Fagerland uncovered this activity by monitoring exposed Cairn instances, highlighting the growing threat of AI-driven cyberattacks.