KT Corp Conceals Malware Infections on 43 Servers, Leading to Cyber Breach

KT Corp Conceals Malware Infections on 43 Servers, Leading to Cyber Breach

First seen 2 Dec 2025, 18:33 UTC •En.Yna.Co.KrBizzbuzz.NewsPulse.Mk.Co.KrScworldMk.Co.Kr •86% similarity •25.1

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KT Corp., South Korea's second-largest mobile carrier, concealed malware infections on 43 servers between March and July 2024. A government-led investigation revealed that the company failed to report these security breaches, which involved the BPFDoor malware and resulted in data theft linked to illegal micro base stations.

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