Notice Regarding a Ransomware Incident at an Overseas Consolidated Subsidiary
SANKO FASTEM (VIETNAM) LTD. (overseas consolidated subsidiary)
The subsidiary's internal systems, servers and computers
Unauthorized access by a third party (ransomware attack)
Related procedures
Report to the Vietnamese authorities
Vietnamese authorities
Company response
Blocking external communications from all servers and suspending the operation of equipment suspected of being compromised
An investigation is being conducted with the support of external specialists.
The impact of this incident on the future business performance of the Company's group is under assessment. If a material impact on business performance is expected, the Company will make a timely disclosure.
The Company will continue investigating the scope of the impact and taking recovery measures. The impact of this incident on the future business performance of the Company's group is under assessment, and if a material impact on business performance is expected, the Company will make a timely disclosure.
If a material impact on business performance is expected, the Company will make a timely disclosure.
| Item | Details |
|---|---|
| Event name | Notice Regarding a Ransomware Incident at an Overseas Consolidated Subsidiary |
| Date of occurrence | 25 August 2026 (the date on which the subsidiary confirmed the file encryption) |
| Date recognized / date notice received | 25 August 2026 (the date on which the encryption was confirmed) |
| Subject Entity | SANKO FASTEM (VIETNAM) LTD. (overseas consolidated subsidiary) |
| Target Locations / Products | The subsidiary's internal systems, servers and computers |
| Cause | Unauthorized access by a third party (ransomware attack) |
| Impact on Earnings Forecast | The impact of this incident on the future business performance of the Company's group is under assessment. If a material impact on business performance is expected, the Company will make a timely disclosure. |
| Type of litigation or proceeding | Report to the Vietnamese authorities |
| Court or authority | Vietnamese authorities |
| Suspended operations | Blocking external communications from all servers and suspending the operation of equipment suspected of being compromised |
| Investigation structure | An investigation is being conducted with the support of external specialists. |
| Outlook | The Company will continue investigating the scope of the impact and taking recovery measures. The impact of this incident on the future business performance of the Company's group is under assessment, and if a material impact on business performance is expected, the Company will make a timely disclosure. |
| Planned follow-up disclosure | If a material impact on business performance is expected, the Company will make a timely disclosure. |
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.Various files on the subsidiary's servers and computers were encrypted due to unauthorized access by a third party (ransomware attack).