Chinese Tech Firm Leak Reportedly Exposes State Linked Hacking

A massive data leak reportedly at Chinese firm Knownsec (Chuangyu) exposed 12,000 files detailing state-backed ‘cyber weapons’ and spying on over 20 countries. See the details, including 95GB of stolen Indian immigration data.

A major data leak recently hit the Chinese security firm Knownsec (aka Chuangyu), where over 12,000 secret files briefly appeared on GitHub around November 2, 2025. It gave experts a rare look into China’s government-backed hacking tools and operations. The files were taken down quickly, though some evidence suggests the actual data theft may have happened as early as 2023.

Key Details

Knownsec is a huge player in China’s cybersecurity network, having received a major investment from Tencent in 2015, and it works closely with government offices. The stolen files seem to confirm how deeply a private company can be mixed up in national cyber programs, including helping build “cyber weapons” and keeping ...