Personal data of 5, 561 users may have been compromised: South Korea’s KT

Seoul: KT Corp. said on Thursday that personal data of over 5,500 users may have been compromised in a recent mobile payment breach, issuing a public apology for the failure at the country’s second-largest mobile carrier.

“We confirmed a possible leak of international mobile subscriber identity (IMSI) data affecting 5,561 users,” KT said in a statement. “We reported the case to the Personal Information Protection Commission (PIPC) this afternoon and notified affected customers via text message about relief measures.”