Osaka Public University suffered a ransomware attack that shut down nearly 500 servers after its virtualization infrastructure was breached, with many backups also encrypted. The incident affects systems across all five campuses and may involve personal data from at least 130,000 students and alumni, while classes remain suspended until October 9, 2026. #OsakaPublicUniversity #RansomwareAttack
Information
- Victim: Osaka Public University
- Website: omu.ac.jp
- Country: Japan
- Date Reported: 2026-10-02
Keypoints
- Osaka Public University was hit by a ransomware attack on October 2, 2026.
- The attack entered the university’s virtualization infrastructure and forced nearly 500 servers offline.
- Many backups were also encrypted, complicating recovery efforts.
- The incident affects systems across all five campuses of the university.
- At least 130,000 students and alumni may have personal data stored on the impacted systems.
- The university is investigating a possible data leak involving addresses, emails, and phone numbers.
- Classes have been suspended until October 9, 2026, and the full recovery timeline is still unknown.