We were recently notified by Studio, Inc. that Studio, the third-party service we use to build and host our website, was subject to unauthorized access by a third party.
As a result, personal information that customers submitted through inquiry forms on our website may have been accessed without authorization.
We sincerely regret that this incident has occurred and understand the concern it may cause. The details of the incident and the steps we are taking are set out below.
On October 16, 2026, Studio, Inc. announced that an unauthorized third party had exploited a vulnerability in certain features of Studio to gain access to the company's cloud environment, and that some data may have been taken as a result. Studio, Inc. has stated in its notice that it has not confirmed that any personal information was actually acquired, but is proceeding on the assumption that it was.
Upon learning of the incident, we immediately began investigating the scope of information that may have been involved and promptly took steps to secure the forms involved.
If you submitted one of the forms listed below during the period indicated, the information you entered may have been involved.
Protective measures: In line with the guidance published by Studio, Inc., we have taken protective measures, including updating our authentication credentials.
Notifying regulators: We are in the process of reporting to Japan's Personal Information Protection Commission, jointly with Studio, Inc.
Notifying potentially affected individuals: We are contacting potentially affected customers individually by email.
According to Studio, Inc.’s notice, there is no indication at this time that any data was altered or deleted. Its investigation into possible unauthorized logins or misuse of information is ongoing.
We have not received any reports of misuse of the information involved, nor any reports that it has been posted online.
Because email addresses may have been involved, you may receive suspicious emails, including phishing emails, that appear to come from us or from other organizations. If you receive an email from an unfamiliar sender, or one containing a link or attachment you were not expecting, please delete it without opening it.
If you have any questions about this incident, please contact us at:
Yukai Engineering Inc. Customer Support
Email: contact_en@ux-xu.com
We regret the concern this incident may cause and appreciate your understanding.