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Muji operator Ryohin Keikaku reports potential credit card data leak
MULTIPLE REPORTS·Published ·Main source · Kyodo News
Story essentials
Ryohin Keikaku Co.
Tokyo, Japan
November 12, 2026
Original reports
Ryohin Keikaku announced a potential leak of approximately 1.09 million credit card records.
The breach follows unauthorized access to the MUJI app, which may have exposed up to 27.26 million customer records.
The company is covering reissuance fees for affected cards and has suspended some services to strengthen security.
This page is produced by collecting and structuring multiple public reports. Sections based only on reporting or testimony affect the displayed assessment, and the page is updated when new information is identified.
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COMPAMIR Editorial Team
The COMPAMIR editorial team brings together public reporting and links to the original coverage. We update the page as new information emerges.
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