[News Space=Reporter seungwon lee] SK Telecom, the number one mobile communications company in Korea, reported the damage to the relevant authorities after being hacked. The leak of data related to the Subscriber Identity Module (USIM) has been detected, but the exact cause and scale have not yet been revealed.

According to SK Telecom on the 22nd, their internal system was hacked on the afternoon of the 19th, and it is believed that some subscriber SIM card-related information was leaked through malware that infiltrated the system.

SK Telecom immediately deleted the malware and isolated the suspected hacking device. As of now, there have been no confirmed cases of SIM card information being exploited, but free SIM card protection service subscription is available to customers who want to take safety measures.

SK Telecom reported the damage to the Korea Internet & Security Agency (KISA) on the 20th. It also reported the personal information leak to the Personal Information Protection Commission at 10:00 AM on the 22nd and is actively cooperating with the related investigation.

SK Telecom said, “We will do our best to strengthen our security system and establish customer information protection measures to prevent similar incidents from happening again in the future,” and “We sincerely apologize once again for causing concern to our customers.”