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yesterday

South Korea Probes Lotte Card Breach That May Have Exposed Data on Millions

Regulators expect to wrap on-site inspections this week, followed by a CEO apology plus customer notifications.

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Han Hak-ja (C), leader of the Unification Church, appears at the office of special counsel Min Joong-ki's team in Seoul on Sept. 17, 2025, to be questioned by the team in connection with the alleged delivery of luxury gifts to former first lady Kim Keon Hee in exchange for favors. (Yonhap)
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Overview

  • On-site findings suggest the leak is far larger than Lotte Card’s initial report of 1.7 gigabytes stolen.
  • Authorities say the stolen records likely include payment histories, card information and online payment requests.
  • Investigators detail attacks beginning Aug. 14 with further attempts through Aug. 16, while malicious code went undetected until Aug. 26.
  • Lotte Card, which has about 9.6 million members, plans to disclose confirmed impacts once the probe concludes.
  • President Lee Jae Myung called for tougher cybersecurity penalties as FSS Gov. Lee Chan-jin pressed companies to invest, with owner MBK Partners facing scrutiny and a planned sale of Lotte Card encountering new headwinds.