Leakage of Personal Information Due to Unauthorized Access to the Company's Website
YAKULT HONSHA CO.,LTD. (filing company)
The email inquiry form on the Company's website (https://www.yakult.co.jp/), the “Tanoshii Kyushoku” school lunch website, the inquiry form for members of the press, and information on Company employees who handled these inquiries
Unauthorized access by a third party
Related procedures
Initial report to the Personal Information Protection Commission; consultation with the police
Personal Information Protection Commission and police
Company response
Functions of the Company's website (to prevent further damage)
The Company will continue its detailed investigation and will promptly disclose the scope of the impact, countermeasures and its response to customers if any new facts come to light.
If any new facts come to light, the Company will promptly disclose the scope of the impact, countermeasures and its response to customers.
| Item | Details |
|---|---|
| Event name | Leakage of Personal Information Due to Unauthorized Access to the Company's Website |
| Date of occurrence | 26 October 2026 (date unauthorized access was confirmed) |
| Date recognized / date notice received | 26 October 2026 (date unauthorized access was confirmed) |
| Subject Entity | YAKULT HONSHA CO.,LTD. (filing company) |
| Target Locations / Products | The email inquiry form on the Company's website (https://www.yakult.co.jp/), the “Tanoshii Kyushoku” school lunch website, the inquiry form for members of the press, and information on Company employees who handled these inquiries |
| Cause | Unauthorized access by a third party |
| Type of litigation or proceeding | Initial report to the Personal Information Protection Commission; consultation with the police |
| Court or authority | Personal Information Protection Commission and police |
| Suspended operations | Functions of the Company's website (to prevent further damage) |
| Outlook | The Company will continue its detailed investigation and will promptly disclose the scope of the impact, countermeasures and its response to customers if any new facts come to light. |
| Planned follow-up disclosure | If any new facts come to light, the Company will promptly disclose the scope of the impact, countermeasures and its response to customers. |
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.Some customer information held by the Company was leaked externally as a result of unauthorized access to the Company's website by a third party.