KT loses over 10,000 customers on first day of compensation scheme
KT lost over 10,000 subscribers on the first day of its compensation scheme following a major data breach. Industry data reported by the Chosun daily shows 10,142 KT subscribers canceled their subscriptions on 31 December 2025, after the Korean operator waived cancellation fees in compensation for the breach. Around 57 percent (5,784 subscribers) migrated to SK Telecom, 1,880 to LG Uplus, and 2,478 to budget mobile carriers.