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Report and Apology Regarding Unauthorized Access to the Montbell Global Website
We would like to inform you that, on September 12, 2026, we discovered that the Montbell Global Site, operated by our company, was subjected to unauthorized access by an external party, resulting in the possible leakage of some customers' personal information. We sincerely apologize for the concern this incident has caused our customers and all related parties.
1. Overview of Unauthorized Access
- September 11, 2026: We detected unauthorized access to our managed systems.
- September 12, 2026: Following our investigation, we confirmed that, between August 9 and 10, 2026, personal information of up to 15 users registered on the site was potentially obtained through unauthorized access by a third party.
2. Details of the Affected Information
The personal information of the 15 individuals that was potentially obtained through unauthorized access includes:
Due to the nature of this unauthorized access, it is difficult to individually identify the 15 affected customers. However, we have confirmed that no credit card information or sign-in passwords were leaked by this incident.
- For 1 individual: name, telephone number, postal code, and address
- For the other 14 individuals: name and telephone number
Due to the nature of this unauthorized access, it is difficult to individually identify the 15 affected customers. However, we have confirmed that no credit card information or sign-in passwords were leaked by this incident.
3. Status of Our Response
We have already completed remediation of the identified system vulnerability, and the system is now safe for use. We will continue working to formulate long-term measures to prevent recurrence, based on our ongoing analysis of the cause, and to further strengthen our information management system. Should we identify any additional facts that require disclosure, we will notify you promptly.
4. Additional Information
At this time, no secondary harm related to this incident has been confirmed.
Please be cautious of suspicious phone calls, SMS messages, or other communications that may misuse potentially leaked information. If you receive any unexpected contact, please do not provide personal or payment information.
Should you receive any suspicious communication claiming to be from Montbell, please do not use the contact details or URLs provided in that communication. Instead, please contact us directly as shown in "5. Contact Information" below.
Please note that this unauthorized access was limited to the system of Montbell Global Site (), which handles international shipping. There is no evidence of a data breach on our website for the Japanese domestic market, Montbell Japan Site ().
Please be cautious of suspicious phone calls, SMS messages, or other communications that may misuse potentially leaked information. If you receive any unexpected contact, please do not provide personal or payment information.
Should you receive any suspicious communication claiming to be from Montbell, please do not use the contact details or URLs provided in that communication. Instead, please contact us directly as shown in "5. Contact Information" below.
Please note that this unauthorized access was limited to the system of Montbell Global Site (), which handles international shipping. There is no evidence of a data breach on our website for the Japanese domestic market, Montbell Japan Site ().
5. Contact Information
If you have any questions or concerns regarding this matter, please contact us via the link below:
Once again, we offer our deepest apologies.
