Tech article

Chinese hackers spied on thousands of companies after breaching IT giant ConnectWise

Publisher description: Microsoft points the blame for ConnectWise's breach at a China-aligned hacker, which relied on AI agents to rapidly hack into thousands of its customers.

TechCrunch | Oct 22, 2026 | Zack Whittaker

Automated excerpt

Security researchers at Microsoft say the China state-aligned hackers broke into ConnectWise’s cloud backup service and stole application credentials that are used to establish data links between ConnectWise and its corporate customers, who rely on the cloud service to backup their company’s data. According to Microsoft, the hackers used AI agents to rapidly hack into around 2,250 organizations at a rate of almost 3,000 attempted sign-ins per minute. ConnectWise said it’s paused access to its cloud backup system and is investigating the breach.

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