South Korea’s Personal Information Protection Commission (PIPC) fines KT Corp. about 54 billion won (roughly $39 million) for privacy and data-protection violations linked to a major breach involving KT’s wireless network. According to the regulator, the breach exposed personal data of 16,647 users, specifically phone numbers and mobile device identification numbers. The PIPC says the incident involves illegal or unauthorized mobile base stations used to access KT’s network, and that malicious actors were able to obtain information without being detected for an extended period. The regulator says unauthorized access occurred between Oct. 8, 2024, and Sept. 5, 2025, and that KT identified the breach only after a user complaint. After the data was obtained, the information was used to attempt or carry out unauthorized transactions, resulting in losses totaling 240 million won across 368 victims. In addition to the fine, the PIPC orders KT to implement corrective actions, including strengthening security for its wireless network equipment and improving personal information protection measures. The company first reported the breach in September.
South Korea fines KT $39 million for data breach tied to unauthorized base stations
South Korea’s Personal Information Protection Commission (PIPC) fines KT Corp. about 54 billion won (roughly $39 million) for privacy and data-protection violations linked to a major breach involving...
- South Korea’s privacy regulator (PIPC) fines KT about 53.9–54 billion won (about $37–$39 million).
- The breach affects 16,647 users and exposes phone numbers and mobile device identification numbers.
- The regulator links the incident to unauthorized or illegal mobile base stations used to access KT’s wireless network.
- Unauthorized access runs from Oct. 8, 2024 to Sept. 5, 2025, and KT reportedly detects the issue only after a user complaint.
- PIPC orders KT to strengthen security measures for its wireless network equipment and personal information protection; losses total 240 million won across 368 victims.
South Korea's Personal Information Protection Commission (PIPC) has fined telecommunications giant KT Corporation KRW 53.979 billion ($39 million) over data protection violations. [...]
3 hours agoKorea's privacy watchdog said Thursday it has fined wireless carrier KT Corp. 53.9 billion won ($37.4 million) over a major data breach that affected more than 16,000 users. The Personal Information Protection Commission also ordered KT to take corrective measures over the breach into the company's wireless network through unauthorized mobile base stations. The breach, first reported by the company in September, affected phone numbers and mobile device identification numbers of 16,647 users, according to the regulator. Malicious actors then used the information to carry out unauthorized transactions, leading to losses of 240 million won in total for 368 victims. The watchdog said the hackers went unnoticed while they accessed KT's wireless network between Oct. 8. 2024, and Sept. 5, 2025, adding the company only realized the breach had occurred after a user complaint. It ordered the company to strengthen security measures for its wireless network equipment and its personal information protection measures.
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