Data Breach Exposes 12,000 Documents from Chinese Firm Knownsec

Data Breach Exposes 12,000 Documents from Chinese Firm Knownsec

First seen 2 Dec 2025, 18:33 UTC TheregisterNews.Risky.BizWebpronewsScworld 83% similarity 27.7

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A significant data breach at the Chinese cybersecurity firm Knownsec has resulted in the leak of over 12,000 classified documents, revealing sensitive information about state-sponsored cyber weapons and espionage activities. The leaked files, which include hacking tools and target lists, were reportedly uploaded to GitHub by an unknown individual. This incident highlights the extensive spying operations conducted by the firm on various countries.

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