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South Korean President Affected by Data Breach

South Korean President Affected by Data Breach

Bluewin.Ch • November 2, 2026

ARCHIVE – Lee Jae Myung, President of South Korea, attends a meeting to review progress on AI-related investments. Photo: -/YNA – Pool/dpa

South Korean President Lee Jae Myung has been the victim of a highly sensitive data breach. Lee's personal information is said to have been accessible on the Internet for months, as revealed by an investigation by the South Korean public broadcaster KBS.

According to the report, this included passport numbers, dates of birth, and information regarding the validity of the passports. The report indicated that those affected included not only the president himself, but also his wife, security advisor, office staff, bodyguards, his personal physician, and several journalists.

According to KBS, the data had been published on a paid security platform in an Excel file titled “Passenger List (Republic of Korea–Belgium).” The file is believed to have been the passenger list for the presidential aircraft during Lee Jae-myung’s trip to Europe in June. The file had already been uploaded a week before the trip began and was available for download by paying users.

Security vulnerabilities and data breaches

The President's Office has announced an investigation into the matter as well as immediate countermeasures. Although South Korea is considered one of the most technologically advanced and highly connected countries in the world, it has repeatedly faced criticism regarding the protection of personal data and cybersecurity due to security vulnerabilities and data breaches.

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