Potential Leakage of Customer Information
RYOHIN KEIKAKU CO.,LTD.
MUJI app, MUJI online store, MUJI Card, and credit card information registered with these services
Unauthorized external access
Company response
No suspended operations have been identified. The MUJI app and MUJI online store remain available for normal use.
Block unauthorized external access and strengthen and continue monitoring to determine whether systems other than the affected system have also been impacted.
At this time, the impact on consolidated results is expected to be limited. The impact on results is currently being assessed in light of the response measures and other factors.
The company will continue working to identify the cause and scope of the impact and will contact affected customers sequentially by email or post.
If any new matters requiring notification or disclosure are identified or arise, they will be promptly announced and communicated.
| Item | Details |
|---|---|
| Event name | Potential Leakage of Customer Information |
| Subject Entity | RYOHIN KEIKAKU CO.,LTD. |
| Target Locations / Products | MUJI app, MUJI online store, MUJI Card, and credit card information registered with these services |
| Cause | Unauthorized external access |
| Impact on Earnings Forecast | At this time, the impact on consolidated results is expected to be limited. The impact on results is currently being assessed in light of the response measures and other factors. |
| Suspended operations | No suspended operations have been identified. The MUJI app and MUJI online store remain available for normal use. |
| Measures to prevent recurrence | Block unauthorized external access and strengthen and continue monitoring to determine whether systems other than the affected system have also been impacted. |
| Outlook | The company will continue working to identify the cause and scope of the impact and will contact affected customers sequentially by email or post. |
| Planned follow-up disclosure | If any new matters requiring notification or disclosure are identified or arise, they will be promptly announced and communicated. |
Items this document does not state (16)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.Following additional analysis after the 30 October 2026 press release, it was determined that MUJI online store members were included among those affected and that the names, addresses, telephone numbers and credit card information of some customers may have been subject to unauthorized access.