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Data Breach at Knownsec Exposes Cyber Weapons and Tools

First seen 10 Nov 2025, 08:55 UTC •Theregister •43

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A data breach at the Chinese infosec firm Knownsec has resulted in the leak of over 12,000 classified documents. The leaked information includes details on state-owned cyber weapons, internal tools, and global target lists, along with evidence of Remote Access Trojans capable of compromising multiple operating systems, including Android, iOS, Windows, macOS, and Linux.

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