KT (Korea Telecom) is South Korea's largest telecom operator, providing fixed-line, mobile, internet, and digital services.
KT (Korea Telecom) is South Korea's largest telecom operator, providing fixed-line, mobile, internet, and digital services. In cybersecurity contexts, KT has recently become the focus of police investigations related to a data breach and an alleged disposal of servers, contributing to leadership turmoil in Korea's telecom sector following notable hacking incidents. These developments highlight the sensitivity of KT's data handling and the broader security challenges facing major carriers in the region.
SK Telecom, South Korea's largest mobile network operator, reported a malware breach that lasted nearly three years, impacting approximately 26.95 million customers. The breach, detected on April 19, 2025, involved…
On April 11, 2026, South Korea launched a universal basic mobile data access scheme to ensure all citizens have access to online services. This initiative was prompted by recent security lapses among the country's…
Coupang experienced a significant data breach, exposing personal information of approximately 33.7 million users. The leaked data includes names and addresses, prompting the company to warn users about potential scams…
The South Korean government has mandated fee waivers for all KT subscribers following an investigation that revealed a security flaw in KT's system, exposing users to potential eavesdropping. This decision affects all…
Kyowon Group has confirmed a cyberattack that has affected multiple systems, leading to service disruptions. The company, which has millions of members across its affiliates, detected signs of the attack on January 11…
Police raided KT offices as part of an investigation into a data breach. The focus is on whether KT intentionally destroyed evidence related to a hacking incident, following reports from U.S. media.
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…
The Ministry of Science and ICT announced the findings of a public-private investigation into a breach at KT. Out of 33,000 servers inspected, 94 were infected with 103 types of malware, including BPFDoor and Rootkit,…
The South Korean government is urging KT, the nation's second-largest mobile carrier, to waive contract termination fees for users affected by a security breach. The incident, which began in 2024 when malware was…
Police raided KT offices as part of an investigation into an alleged data breach. The focus is on whether KT intentionally destroyed evidence related to a hacking incident following a report by U.S. media.