Unauthorized access by a third party
Youji Corporation (the company)
The company's network environment and affected systems
Company response
The company's initial response and investigation. Third-party or special investigation committee: Not disclosed.
Isolate the affected systems; disable accounts that may have been misused; take other necessary measures; strengthen monitoring; and enhance security measures
The impact on business performance is currently under review, and no event with a material impact on business performance has been identified at this time.
The company will continue its detailed investigation and determine whether personal information, business partner information or other data has been affected. If facts requiring disclosure are identified, the company will announce them promptly and, as necessary, report them to the relevant authorities and respond to the affected parties.
If facts requiring disclosure are identified, they will be announced promptly. Specific date: Not disclosed.
| Item | Details |
|---|---|
| Event name | Unauthorized access by a third party |
| Date of occurrence | 14 October 2026 (the date the company confirmed signs of suspicious access; the date of the unauthorised access itself: Not disclosed) |
| Date recognized / date notice received | 14 October 2026 (the date the company confirmed signs of suspicious access) |
| Subject Entity | Youji Corporation (the company) |
| Target Locations / Products | The company's network environment and affected systems |
| Impact on Earnings Forecast | The impact on business performance is currently under review, and no event with a material impact on business performance has been identified at this time. |
| Investigation structure | The company's initial response and investigation. Third-party or special investigation committee: Not disclosed. |
| Measures to prevent recurrence | Isolate the affected systems; disable accounts that may have been misused; take other necessary measures; strengthen monitoring; and enhance security measures |
| Outlook | The company will continue its detailed investigation and determine whether personal information, business partner information or other data has been affected. If facts requiring disclosure are identified, the company will announce them promptly and, as necessary, report them to the relevant authorities and respond to the affected parties. |
| Planned follow-up disclosure | If facts requiring disclosure are identified, they will be announced promptly. Specific date: Not disclosed. |
Items this document does not state (15)
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.The intrusion route and cause are under investigation, and no specific cause has been disclosed.