Unauthorized access to our servers
Moi Corporation (the Company)
The TwitCasting service operated by the Company, internal systems, and log data stored on the servers
Unauthorized access by a third party. The point of entry that led to the unauthorized access is being identified.
Company response
Emergency and complete suspension of the TwitCasting service
The internal investigation is ongoing. Third-party committee, special investigation committee, etc.: Not disclosed.
Reset of external service integrations: We reset all connections between our services and SNS platforms, including X, Google and Facebook, as well as all authentication to other external services, including logins and other authentication credentials used on those services. We will rebuild the service after reviewing our systems and organisational structure.
The current fiscal year (the impact on results is under review)
The impact of this incident on current-period results is under review. If matters requiring disclosure arise, they will be reported promptly.
Related procedures
Notification to the police and other authorities, and legal action
The police and other relevant authorities
We will continue to carefully investigate the possibility of access to other information and the scope of the log data obtained. We will contact affected users individually. We will submit access information and other relevant data to the police and other relevant authorities. The resumption of the service will be announced after careful consideration.
As soon as new developments or matters requiring disclosure are confirmed, we will provide updates from time to time through TDnet and the Company's official X account and other channels. If matters requiring disclosure arise, they will be reported promptly.
| Item | Details |
|---|---|
| Event name | Unauthorized access to our servers |
| Date of occurrence | Around 10:20 a.m. on 28 October 2026 (the third party began attempting to access the system) |
| Date recognized / date notice received | Around 10:30 a.m. on 28 October 2026 (the internal system automatically detected traces of unauthorized access) |
| Subject Entity | Moi Corporation (the Company) |
| Target Locations / Products | The TwitCasting service operated by the Company, internal systems, and log data stored on the servers |
| Cause | Unauthorized access by a third party. The point of entry that led to the unauthorized access is being identified. |
| Accounting period in which recognized | The current fiscal year (the impact on results is under review) |
| Impact on Earnings Forecast | The impact of this incident on current-period results is under review. If matters requiring disclosure arise, they will be reported promptly. |
| Type of litigation or proceeding | Notification to the police and other authorities, and legal action |
| Court or authority | The police and other relevant authorities |
| Suspended operations | Emergency and complete suspension of the TwitCasting service |
| Investigation structure | The internal investigation is ongoing. Third-party committee, special investigation committee, etc.: Not disclosed. |
| Measures to prevent recurrence | Reset of external service integrations: We reset all connections between our services and SNS platforms, including X, Google and Facebook, as well as all authentication to other external services, including logins and other authentication credentials used on those services. We will rebuild the service after reviewing our systems and organisational structure. |
| Outlook | We will continue to carefully investigate the possibility of access to other information and the scope of the log data obtained. We will contact affected users individually. We will submit access information and other relevant data to the police and other relevant authorities. The resumption of the service will be announced after careful consideration. |
| Planned follow-up disclosure | As soon as new developments or matters requiring disclosure are confirmed, we will provide updates from time to time through TDnet and the Company's official X account and other channels. If matters requiring disclosure arise, they will be reported promptly. |
Items this document does not state (10)
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.Unauthorized access by a third party occurred. The point of entry that led to the unauthorized access and the scope of the log data obtained remain under investigation.