# One Hacker Used AI Agents to Breach 100+ Company Websites for About $5,000 > Source: > Published: 2026-10-20 04:32:29+00:00 A Chinese-speaking threat actor reportedly used Cairn-powered AI agents to target more than 1,200 websites, with over 100 intrusions reported and an estimated $5,000 in AI costs. NorForge's investigation reveals how autonomous attack workflows operated and exposed sensitive information. The post [One Hacker Used AI Agents to Breach 100+ Company Websites for About $5,000](https://cyberupdates365.com/ai-agent-cyberattacks/) appeared first on [CyberUpdates365 | Latest Cybersecurity News & Vulnerabilities](https://cyberupdates365.com).