Oriental Diamond reported a ransomware attack on May 4, 2026, that encrypted data on its internal servers and may have exposed personal information. The company isolated its servers, notified law enforcement and the Personal Data Protection Commission, and began restoration and investigation efforts while strengthening authentication and suspending VPN use. #OrientalDiamond
Information
- Victim: Oriental Diamond
- Website: orientaldiamond.jp
- Country: Japan
- Date Reported: 2026-05-12
Keypoints
- Oriental Diamond announced it was hit by a ransomware attack on May 4, 2026.
- The attack encrypted data stored on the companyβs internal servers.
- There was a risk that personal data may have been leaked.
- The company immediately isolated its servers from the network.
- Oriental Diamond reported the incident to the police and the Personal Data Protection Commission.
- External experts were brought in to investigate and carry out restoration work.
- The company said it would prevent recurrence by suspending VPN use and strengthening authentication procedures.
Read More: https://www.orientaldiamond.jp/,γη₯γγ