SK Telecom preparing for possible data leak of all 25 million customers: CEO

Ryu Young-sang, chief executive officer (CEO) of SK Telecom, said Wednesday the company is preparing for the worst-case scenario that a recent cyberattack may have leaked the universal subscriber identity module (USIM) data of all 25 million subscribers. "In the worst-case scenario, we are bracing for it," Ryu said during a parliamentary session in response to a question by Rep. Choi Soo-jin about whether all customer data may have been leaked. SK Telecom, the largest mobile carrier in Korea with 25 million subscribers out of a population of 50 million, detected the cyberattack on April 18 and discovered signs of a large-scale leak of customers' USIM data. Ryu acknowledged that the incident could be considered the worst hacking case in the nation's telecommunications history. He also admitted to "procedural issues" in how the data breach was reported to the Korea Internet & Security Agency (KISA). SK Telecom has come under fire for reporting the incident two days after detection, missing by far the 24-hour notification requirement mandated by law. Following the revelation, the company pledWeiter zum vollständigen Artikel bei Korea Times Weiter zum vollständigen Artikel bei Korea Times