KT Corp Concealed Malware Infections on 43 Servers, Leading to Data Breach

KT Corp Concealed Malware Infections on 43 Servers, Leading to Data Breach

First seen 7 Nov 2025, 12:54 UTC •En.Yna.Co.KrBizzbuzz.NewsPulse.Mk.Co.Kr •92% similarity •45.4

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KT Corp., South Korea's second-largest mobile carrier, concealed malware infections on 43 servers from March to July 2024. A government-led investigation revealed that the company failed to report these security breaches, which were linked to a hacking incident involving illegal micro base stations. The breach was discovered during a forensic analysis that found traces of antivirus software scans.

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