- Tech News & Insight
- September 11, 2025
- Hema Kadia
KT disclosed that IMSI information for 5,561 subscribers may have been exposed in connection with a wave of fraudulent mobile payments starting August 27, concentrated in parts of southwestern Seoul. As of midweek, authorities tallied 278 unauthorized transactions totaling roughly 170 million won. KT reported the incident to the Personal Information Protection Commission and the Korea Internet & Security Agency, notified impacted users, and pledged compensation. A government special team has begun a coordinated probe, and the science minister publicly pressed KT to cooperate fully and restore trust.