Investigating

Science Tokyo: possible personal-data leak after infrastructure intrusion affecting students and staff

Infrastructure intrusion may have exposed name/address/email of students/staff from the merged universities; first notice Sep 7, 2026. Hospital patient data not confirmed; counts under review.

Last updated: 2026-11-09

Overview

No published headcount → blank.

Timeline

  1. Occurred
  2. Discovered
  3. 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

  1. 情報基盤への不正アクセスによる個人情報漏えいの疑いについて(第一報)東京科学大学 · 2026-11-09

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