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SK Telecom Halts New Sign-Ups as USIM Replacement Efforts Intensify

With over 7.8 million pending USIM replacement reservations, SK Telecom prioritizes safeguarding 25 million subscribers following a major data breach.

Overview

  • SK Telecom has suspended new subscriber sign-ups nationwide to focus on replacing compromised USIM cards after an April cyberattack exposed customer data.
  • Over 1 million USIM replacements have been completed, with 7.8 million reservations still pending due to inventory shortages.
  • The company's USIM Protection Service has enrolled over 24 million users, providing an alternative layer of security against potential fraud.
  • Government directives and regulatory scrutiny have intensified, requiring SK Telecom to resolve the ongoing USIM shortage before resuming new customer registrations.
  • No confirmed cases of financial fraud linked to the breach have been reported, but a growing number of users are pursuing legal action through class-action efforts.