Damage from a ransomware infection resulting from unauthorized access by a third party
Coral Bay Nickel Corporation (CBNC). Sumitomo Metal Mining Philippine Holdings Corporation and Taganito HPAL Nickel Corporation are also mentioned as entities affected by the communications disruption.
Certain CBNC servers (2 servers) and the communications network shared by CBNC and other entities
Assumed to have been caused by damage from a ransomware infection resulting from unauthorized access by a third party
Fiscal year ending March 2026
The impact on results for the fiscal year ending March 2026 is currently considered to be minor, but the company is still assessing the matter, including any impact on the financial results announcement.
Company response
Communications were disconnected at CBNC and at Sumitomo Metal Mining Philippine Holdings Corporation and Taganito HPAL Nickel Corporation, which share part of their communications network with CBNC.
The company is investigating the scope of the impact and working on recovery with support from external experts. No committee name, chairperson or establishment date is stated.
The company will investigate the scope of the impact and work on recovery with support from external experts. Any new information that comes to light will be disclosed promptly.
| Item | Details |
|---|---|
| Event name | Damage from a ransomware infection resulting from unauthorized access by a third party |
| Date of occurrence | April 2 (Thursday) (the date on which the company detected the encryption of 2 CBNC servers; the date of the attack itself is not stated) |
| Date recognized / date notice received | April 2 (Thursday) (the date on which the company detected that 2 CBNC servers had been encrypted) |
| Subject Entity | Coral Bay Nickel Corporation (CBNC). Sumitomo Metal Mining Philippine Holdings Corporation and Taganito HPAL Nickel Corporation are also mentioned as entities affected by the communications disruption. |
| Target Locations / Products | Certain CBNC servers (2 servers) and the communications network shared by CBNC and other entities |
| Cause | Assumed to have been caused by damage from a ransomware infection resulting from unauthorized access by a third party |
| Accounting period in which recognized | Fiscal year ending March 2026 |
| Impact on Earnings Forecast | The impact on results for the fiscal year ending March 2026 is currently considered to be minor, but the company is still assessing the matter, including any impact on the financial results announcement. |
| Suspended operations | Communications were disconnected at CBNC and at Sumitomo Metal Mining Philippine Holdings Corporation and Taganito HPAL Nickel Corporation, which share part of their communications network with CBNC. |
| Investigation structure | The company is investigating the scope of the impact and working on recovery with support from external experts. No committee name, chairperson or establishment date is stated. |
| Outlook | The company will investigate the scope of the impact and work on recovery with support from external experts. Any new information that comes to light will be disclosed promptly. |
| Planned follow-up disclosure | Any new information that comes to light will be disclosed promptly. |
Items this document does not state (13)
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 incident was assumed to have been caused by damage from a ransomware infection resulting from unauthorized access by a third party.