Overview
4,627 records (university, name, partial student ID, etc.).
Timeline
- Occurred
- Discovered
- Disclosed
Organization response
Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.
What you can do
Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.
Sources
- 長期間使用していないサーバーへの不正アクセスによる個人情報漏えいのお詫びとお知らせ株式会社教育ソフトウェア · 2026-11-09