Hachioji Gakuen announced that it suffered a cyberattack involving unauthorized access and ransomware on some of its servers, prompting an emergency response with police, external experts, and lawyers. The school’s main contact email is currently unavailable, and authorities have not yet confirmed whether any data was exfiltrated. #HachiojiGakuen #HachiojiPolice
Information
- Victim: Hachioji Gakuen
- Website: hachioji.ed.jp
- Country: Japan
- Date Reported: 2026-07-13
Keypoints
- Hachioji Gakuen disclosed on July 13, 2026 that it had been hit by unauthorized access and a ransomware attack on some servers.
- The school has formed a crisis response committee to handle the incident.
- Hachioji Police, external experts, and lawyers are involved in the investigation and response.
- The school is assessing the cause of the attack, the extent of damage, and restoration steps.
- The main contact email address for the institution is currently out of service.
- Authorities have not yet confirmed whether any data was stolen or exfiltrated.
Read More: https://rocket-boys.co.jp/security-measures-lab/hachioji-gakuen-ransomware-cyberattack/