Notice Regarding Cybersecurity Incident [Second Report]
UCHIYAMA HOLDINGS Co.,Ltd.
Systems required to provide services, including nursing care facilities, karaoke venues and izakaya restaurants, as well as the internal network environment
Company response
On 9 March 2026, a response team was formed primarily from the relevant business divisions and the Corporate Planning Department. The Company is continuing to identify the scope of the disruption and conduct a detailed investigation into its impact in cooperation with external specialist organizations.
The Company has decided to strengthen its information security management framework; appoint a dedicated information security officer; establish a specialist team led by that officer; strengthen monitoring of the internal infrastructure; and accelerate the introduction of systems to defend against threats.
The impact on business performance remains under review. If a material impact on future business performance is identified, it will be disclosed promptly.
After accurately assessing the impact of the disruption through a detailed investigation, the Company will promptly formulate and implement a plan for recovery. It aims to restore the affected network environment. If a material impact on business performance is identified, it will be disclosed promptly.
Further information will be announced promptly once the facts have been established.
| Item | Details |
|---|---|
| Event name | Notice Regarding Cybersecurity Incident [Second Report] |
| Date of occurrence | Morning of 7 March 2026 (Saturday), when abnormal activity was detected |
| Date recognized / date notice received | Morning of 7 March 2026 (Saturday), when abnormal activity was detected |
| Subject Entity | UCHIYAMA HOLDINGS Co.,Ltd. |
| Target Locations / Products | Systems required to provide services, including nursing care facilities, karaoke venues and izakaya restaurants, as well as the internal network environment |
| Impact on Earnings Forecast | The impact on business performance remains under review. If a material impact on future business performance is identified, it will be disclosed promptly. |
| Investigation structure | On 9 March 2026, a response team was formed primarily from the relevant business divisions and the Corporate Planning Department. The Company is continuing to identify the scope of the disruption and conduct a detailed investigation into its impact in cooperation with external specialist organizations. |
| Measures to prevent recurrence | The Company has decided to strengthen its information security management framework; appoint a dedicated information security officer; establish a specialist team led by that officer; strengthen monitoring of the internal infrastructure; and accelerate the introduction of systems to defend against threats. |
| Outlook | After accurately assessing the impact of the disruption through a detailed investigation, the Company will promptly formulate and implement a plan for recovery. It aims to restore the affected network environment. If a material impact on business performance is identified, it will be disclosed promptly. |
| Planned follow-up disclosure | Further information will be announced promptly once the facts have been established. |
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 impact on business performance is still under review, and it has not yet been determined whether there will be a material impact.