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[Investigating][Severity: Moderate][Ransomware]

Juntendo University: ransomware hit a NAS run independently by its Women's Sports Research Center, with a possible information leak; hospital operations were not affected

Ransomware hit a NAS run independently by the Women's Sports Research Center, and information may have leaked; hospital operations were not affected.

Disclosed

2025-11-21

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. It announced a possible information leak caused by a cyberattack. The NAS run independently by the Women's Sports Research Center was hit. [1]

Impact

The university says hospital operations were not affected. [1]

Timeline

  1. Disclosed 2025-11-21
  2. 1 days

Attack or cause

Method
[Ransomware]
Impact
[Data leak]
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][News]病院業務へ影響なし ～ 順天堂大学にランサムウェア攻撃、女性スポーツ研究センター独自運用 NAS が被害にScanNetSecurity · 2025-12-05 08:05