

1,000 SKT users sue for damages worth 1 million won per person over SIM hacking
2025-05-22

Joint lawsuit seeking compensation for “practical inconvenience due to exposure to hacking and SIM replacement”… 1st complaint submission
In relation to the SK Telecom (SKT) SIM information hacking incident, more than 1,000 users have announced a joint lawsuit against the company seeking collective compensation for damages.
Kim Kuk-il, CEO of Daeryun Law Firm, held a press conference at the corporate office in Yeongdeungpo-gu on the 22nd and announced that he plans to file a lawsuit on behalf of 1,000 SKT users early next week demanding compensation of 1 million won per person.
CEO Kim claimed, “Protection of personal information is a matter of public trust and a basic responsibility of companies, but SKT has not yet fully disclosed the extent or circumstances of the damage.”
“This incident is the largest SIM information leak in history,” he said. “There are circumstances in which the company was exposed to hacking for a long period of time, and the victims suffered realistic inconveniences, such as having to put aside their jobs to visit dealers to replace their SIM cards.”
The law firm explained that although there are more than 10,000 applicants for the lawsuit, the first complaint will be filed first only for those who have completed document collection and the second round of recruitment will continue.
In cases where multiple damages are incurred, such as this case, multiple parties often file lawsuits for damages in the form of joint lawsuits. Multiple parties participate. However, to aid the general public's understanding, collective lawsuits are usually carried out under the name of 'class lawsuit'. This is based on the Civil Procedure Act. Under civil litigation law, joint litigation is stipulated as a method for multiple victims to file a lawsuit together.
The lawsuit for compensation announced by CEO Kim is separate from criminal prosecution.
On the 1st, Daeryun accused SKT's CEO Yoo Young-sang and security manager of breach of trust and obstruction of official duties, claiming that SKT had neglected the management of users' SIM-related information. The accuser was investigated at the Namdaemun Police Station the day before.
Yun-seon Choi (ysc@yna.co.kr)
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International Newspaper - Daeryun announces damages lawsuit of 1 million won per person against SKT for ‘hacking incident’ (Go here)
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TBC - Notice of lawsuit against 1,000 SKT users with SIM hacked... 1 million won per person (Shortcut)Do you have more questions?
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