Apology and Notice Regarding a System Disruption Caused by Unauthorized Access
Joshin Corporation (the filing company)
Our network; some services
Unauthorized access by a third party
Company response
Suspension of some services
Working with external specialist organisations to determine the details of the unauthorized access and investigate the scope of the impact
We will work to prevent a recurrence and resume the suspended services.
Related procedures
Initial report to the Personal Information Protection Commission
Personal Information Protection Commission
We will investigate the details of the unauthorized access, the scope of the impact, and whether personal information or other important information was leaked, and will work to resume the suspended services. If a leak is confirmed, we will promptly report it to the relevant parties.
If any new facts that should be disclosed come to light, we will promptly announce them through our official website and other channels.
| Item | Details |
|---|---|
| Event name | Apology and Notice Regarding a System Disruption Caused by Unauthorized Access |
| Date of occurrence | 16 October 2026 (Friday) (the date unauthorized access was identified; date of occurrence: Not disclosed) |
| Date recognized / date notice received | Unauthorized access identified on 16 October 2026 (Friday) |
| Subject Entity | Joshin Corporation (the filing company) |
| Target Locations / Products | Our network; some services |
| Cause | Unauthorized access by a third party |
| Type of litigation or proceeding | Initial report to the Personal Information Protection Commission |
| Court or authority | Personal Information Protection Commission |
| Suspended operations | Suspension of some services |
| Investigation structure | Working with external specialist organisations to determine the details of the unauthorized access and investigate the scope of the impact |
| Measures to prevent recurrence | We will work to prevent a recurrence and resume the suspended services. |
| Outlook | We will investigate the details of the unauthorized access, the scope of the impact, and whether personal information or other important information was leaked, and will work to resume the suspended services. If a leak is confirmed, we will promptly report it to the relevant parties. |
| Planned follow-up disclosure | If any new facts that should be disclosed come to light, we will promptly announce them through our official website and other channels. |
Items this document does not state (12)
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.Because our network was disrupted by unauthorized access by a third party.