[Important] Notice of Possible Exposure of Inquiry Form Information Following Unauthorized Access at Studio
Unauthorized access occurred in the cloud environment used by Studio, a third-party service used on our website.
On October 16, 2026, Studio informed us that information submitted through our inquiry forms and stored on its service may have been exposed to an external party as a result of this unauthorized access. We sincerely apologize for the concern and inconvenience this may have caused.
Overview of the Incident at Studio
According to Studio, unauthorized access to its cloud environment occurred between September 30 and October 1, 2026 (Japan Standard Time). Studio has stated that it has patched the vulnerability and blocked the access route used in the incident.
It has not yet been confirmed whether a third party actually obtained information submitted through our inquiry forms.
Information Potentially Affected
The following information submitted through our Japanese- and English-language inquiry forms and stored on Studio may have been affected:
Names, email addresses, company names, and affiliations
Inquiry categories and details, including information provided in the message body
Region information submitted through the English-language form
File names of any attachments
Studio has stated that the contents of attached files were not affected.
The submission date range and the number of individuals potentially affected have not yet been determined. The dates of the unauthorized access stated above do not indicate when the potentially affected form submissions were made.
Our Response
On October 16, 2026, the day we received notification from Studio, we shared information about the incident internally, took steps regarding the Google Sheets integration, and asked employees who log in to Studio using a password to change their passwords.
Based on Studio’s guidance, we are temporarily holding off on submitting a separate report to the Personal Information Protection Commission of Japan (PPC) and have not submitted one at this time. We will review further guidance on reporting procedures and take any necessary action.
If we become aware of additional information that should be communicated about this incident, we will provide updates through our website and other appropriate channels.
Precautions
Please be alert to suspicious emails or messages impersonating JIJ or Studio. Do not open unexpected links or attachments, or enter passwords or other information in response to such messages. If you are unsure, please contact us using the details below.
Contact for Inquiries About This Incident
JIJ Inc.
Email: info@j-ij.com
Reference: Official Information from Studio
Incident notice in English, updated October 18, 2026: