KT Corp. — Cyber Attacks, Breaches & Threat Activity

Related Threat Clusters

• KT Corp. Conceals Malware Infections Leading to Data Breach

  KT Corp., South Korea's second-largest mobile carrier, concealed critical malware infections and failed to report security breaches that resulted in a hacking incident and data theft. A government-led investigation…

  2 articles · Updated November 6, 2025
• KT Corp Concealed Malware Infections on 43 Servers, Leading to Data Breach

  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…

  3 articles · Updated November 7, 2025
• KT Corp Conceals Malware Infections on 43 Servers, Leading to Cyber Breach

  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…

  5 articles · Updated November 21, 2025
• KT Corp. Conceals Malware Infections Leading to Data Breach

  KT Corp., South Korea's second-largest mobile carrier, concealed critical malware infections and failed to report security breaches that resulted in a hacking incident and data theft. A government-led investigation…

  4 articles · Updated November 6, 2025

Recent Intelligence Reports

• KT concealed malware infections, security failures leading to hacking breach — Bizzbuzz.News · November 7, 2025
• (2nd LD) Investigation shows KT concealed malware infections, security failures leading to ... — En.Yna.Co.Kr · November 6, 2025
• Probe shows KT concealed malware infections, security failures leading to hacking breach — Thehansindia · November 6, 2025
• Kr: Investigation shows KT concealed malware infections, security failures leading to hacking breach — Databreaches · November 6, 2025

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