Confirmed

Tohoku Gakuin University: 628 open-course registrant emails exposed via To: blast

On May 8, 2026 an open-course mailing-list notice was sent with addresses in To:; disclosed May 15.

Last updated: 2026-11-09

Overview

628 email addresses; name/address not included.

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. メールの誤送信による個人情報の漏えいについて(お詫びとご報告)東北学院大学 · 2026-11-09

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