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Knownsec Leak Reveals State Cyber Operations Involvement

First seen 4 Jan 2026, 15:39 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

A leak from Knownsec, a prominent Chinese cybersecurity firm, has revealed its extensive involvement in state-sponsored cyber operations, going beyond traditional defense roles. The leaked documents, totaling over 12,000 classified files, indicate that Knownsec was engaged in developing cyberweapons and conducting large-scale intelligence collection. Resecurity, a cybersecurity company, has acquired and analyzed these documents, shedding light on the Chinese cyber ecosystem.

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