SK Telecom to be fined for late data breach report, ordered to waive cancellation fees, criminal investigation into them launched

SK Telecom disclosed a large-scale breach of USIM data affecting roughly 23 million customers; regulators ordered individual notifications, waived cancellation fees for affected customers, and may fine the carrier for delayed reporting. The government is pursuing a criminal investigation after finding that servers were handed over in a state that hindered analysis, and investigators believe the initial malware infection may date back to August 2021.