Cyberatack compromises data from 27 million mobile cards – telecommunications
Cybership on South Korea’s largest mobile phone operator compromised about 27 million SIM cardsThe population was equal to half of the population and released on Monday, according to the results of the investigation.
Joint investigation results for officials and private sector expert incident The attack began on June 15, 2022, the first malware (harmful programs or apps) was installed on SK Telecom (SKT) servers.
Since then and until the disorderletic is found, on April 18, 2025, The virus has spread to at least 23 servers, some of whom have private information such as names and birth datesTelephone numbers, email addresses and special mobile identifiers (IMEI).
The analysis also revealed Infected servers allow access to 25 types of personal data, including SIM card standardization keys.
The results refer to it Lack of records between June 2022 and December 2024 is impossible to dismiss the possibility of stealing personal data.
Private sector analysts suspect that the Red Mensen Group is responsible for the attack The BPFDor also uses the infiltration program against telecommunication companies in Asia.
The company of Red Mensen Computer Pirates is connected to China according to cyber security companies such as PWC and Trend Micro and allegedly supporting Beijing.
CASO DA does not skt, The use of technology called web shell has been found, which allows strikers remotely controlled compromise servers.
Professor Im Jong-In believes in the University of Korea Reflecting on a strategy aimed at stopping the necessary infrastructure in the case of cyberatac and method conflictInstead of stealing personal information according to South Korean Public News Agency Yonhap.
Is not the whole, According to the report, 26.96 million SIM cards were compromised, and SKT replaced or cleaned over 1.9 millionDespite the supply issues, the number of growing in the coming months. In addition, 2.5 million users have been signed up for fraud protection service, and More than nine people have provided mass actions with the South Korean court, requesting financial compensation and greater transparency on the extension of the attack.
In the South Korean Parliament, the company estimates losses of up to seven billion (4.49 billion euros) by executive president Rue Young-Song.
SK Group President Chey Tay-Von issued public apologies for the scandal earlier this month, identifying communication and response failures.
