Confirmed

Niigata University: student/guarantor roster of 1,478 people misattached to degree-check mail

The Graduate School of Science and Technology misattached an Excel sheet with roster data for 1,478 enrolled students to a degree-content check mail; disclosed March 24, 2026.

Last updated: 2026-11-09

Overview

1,478 people: names, student IDs, addresses and guarantor names. Deletion confirmed on the 29 student and 29 supervisor recipients. No further external spread confirmed.

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. 学生・保証人の個人情報ファイルの誤送信について国立大学法人新潟大学 · 2026-11-09

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