Sumitomo Metal Mining Contains Ransomware Attack at Philippine Nickel Unit, Sees Limited Financial Impact

Sumitomo Metal Mining Co ( (JP:5713) ) has provided an update.

Sumitomo Metal Mining has provided an update on a ransomware incident that hit servers at its Philippine nickel smelting subsidiary Coral Bay Nickel Corporation, confirming the attack was contained after affected servers were isolated and security measures were strengthened across the group. The company reports no confirmed leakage of personal or technical data, no disruption to production at CBNC or other group facilities, restored communications at its Philippine subsidiaries, and states that the incident has not affected fiscal 2026 results and is expected to have only a limited impact on earnings for fiscal 2027.

The swift containment of the ransomware attack and the absence of operational damage underscore the resilience of Sumitomo Metal Mining’s IT and production systems, which is likely to reassure customers and partners dependent on its nickel supply. By reinforcing cybersecurity measures groupwide and maintaining its financial guidance, the company aims to preserve confidence among stakeholders while addressing rising cyber risks in the global metals and mining sector.

The most recent analyst rating on (JP:5713) stock is a Hold with a Yen9700.00 price target. To see the full list of analyst forecasts on Sumitomo Metal Mining Co stock, see the JP:5713 Stock Forecast page.

More about Sumitomo Metal Mining Co

Sumitomo Metal Mining Co., Ltd. is a Japanese non-ferrous metals producer with a strong presence in nickel smelting through subsidiaries such as Coral Bay Nickel Corporation in the Philippines. The group operates mines, smelters, refineries, and plants globally, supplying key materials to industrial and battery-related markets.

Average Trading Volume: 4,843,796

Technical Sentiment Signal: Strong Buy

Current Market Cap: Yen2619.1B

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