Potential leakage of personal information following unauthorised access at Studio株式会社, a consolidated subsidiary of the Company
クレシード株式会社 (entity holding the personal information), Studio株式会社 (service provider subject to the unauthorised access)
The "Contact Form" and "Job Application Form" on the クレシード recruitment website, and the external Studio service
Unauthorised access by a third party to Studio株式会社's cloud environment
Company response
The Contact Form on the クレシード recruitment website was taken offline
The establishment of a third-party committee, special investigation committee or similar body has not been disclosed. Confirmation with Studio株式会社 and investigation of the facts are ongoing.
No impact on the Company's business
The Company will continue confirming the facts with Studio株式会社 and proceed with the necessary measures, including contacting individuals who may have been affected by the potential information leakage. If any new matters requiring disclosure are identified, they will be disclosed promptly.
If any new matters requiring disclosure are identified, they will be announced promptly.
| Item | Details |
|---|---|
| Event name | Potential leakage of personal information following unauthorised access at Studio株式会社, a consolidated subsidiary of the Company |
| Date of occurrence | Between 30 September and 1 October 2026 (unauthorised access by a third party) |
| Date recognized / date notice received | 16 October 2026 (date notice was received from Studio株式会社) |
| Subject Entity | クレシード株式会社 (entity holding the personal information), Studio株式会社 (service provider subject to the unauthorised access) |
| Target Locations / Products | The "Contact Form" and "Job Application Form" on the クレシード recruitment website, and the external Studio service |
| Cause | Unauthorised access by a third party to Studio株式会社's cloud environment |
| Impact on Earnings Forecast | No impact on the Company's business |
| Suspended operations | The Contact Form on the クレシード recruitment website was taken offline |
| Investigation structure | The establishment of a third-party committee, special investigation committee or similar body has not been disclosed. Confirmation with Studio株式会社 and investigation of the facts are ongoing. |
| Outlook | The Company will continue confirming the facts with Studio株式会社 and proceed with the necessary measures, including contacting individuals who may have been affected by the potential information leakage. If any new matters requiring disclosure are identified, they will be disclosed promptly. |
| Planned follow-up disclosure | If any new matters requiring disclosure are identified, they will be announced promptly. |
Items this document does not state (14)
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.A third party gained unauthorised access to Studio株式会社's cloud environment, and クレシード's form responses stored on the service may have been leaked externally.