Ryohin Keikaku announced on October 30 that customer information may have been leaked externally from MUJI's official app, "MUJI App." Up to approximately 27.26 million records are affected, including information belonging to former members. The company detected unauthorized external access and subsequently blocked access and implemented remediation measures.
The potentially leaked items are limited to three categories: email address, date of birth, and gender. Credit card information, names, addresses, and phone numbers are not included. As of the announcement, there has been no confirmation of the affected information being leaked to the dark web or similar platforms, nor any damage resulting from the misuse of this information.
Since former members are also included, caution is advised even for those who are not currently using the app.
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