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State-Level Cyber Espionage Targeting KT Telecom in South Korea

State-Level Cyber Espionage Targeting KT Telecom in South Korea

First seen 17 Dec 2025, 09:59 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A report by Rethink Technology Research indicates that a cyberattack on KT, South Korea's leading telecom operator, may involve state-level cyber espionage. The report, published on December 10, 2025, analyzes the implications of the breach, suggesting it is more serious than initially perceived.

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