South Korea·Telecom·Announced by the organization or a regulator
SKT data breach (Apr 2025)
What happened
Hackers accessed SKT's USIM information; personal data including phone numbers, IMSI, and SIM authentication keys were exposed.
This page summarizes and translates our record written in Korean. Counts and dates come from that record unchanged. Read the original record →
Facts on record
- Country
- South Korea
- Industry
- Telecom
- Announced
- Apr 22, 2025
- Affected
- 23.2 million people
- Data exposed
- SIM or call records, phone numbers
- Status
- Announced by the organization or a regulator
- Compensation and penalties
- Compensation or a settlement on record · A fine or other penalty on record
Sources
- 전자신문(다음 뉴스)2300만 정보 털린 SKT에 1347억 역대 최대 과징금