Okuma subsidiary hit by ransomware, data exfiltration possible

Okuma Corporation announced that on September 20, 2025, its consolidated German subsidiary, Okuma Europe GmbH (OEG), experienced unauthorized third-party access to its server. This led to a ransomware infection and encryption of files. The incident also carries a risk of personal data and confidential information exfiltration.

External experts are assisting with the investigation and recovery, and the case has been reported to German authorities. The company is investigating the cause and developing recurrence prevention measures while continuing to assess potential data leaks.

Okuma states that no negative impacts have been observed on Okuma Corporation or other Okuma group companies, excluding OEG and its subsidiaries. Okuma is currently evaluating the incident's impact on the group's business performance and will promptly disclose any material effects. The company expressed its deepest apologies for any inconvenience caused to customers and stakeholders.