KT Begins Retrieval of 12,000 Small-Cell Base Stations After Fraud Scheme Raises Security Concerns

SEOUL, Dec. 18 (Korea Bizwire) —  KT has retrieved more than 12,000 small-cell base stations after the devices were linked to a recent unauthorized micro-payment fraud scheme, the telecom company said Thursday. The recall targets “femtocells,” ultra-small base stations used to boost indoor mobile coverage, after investigators found that illegally modified versions of the devices [...]