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Confirmed

JAEA: intrusion into JRR-3 research-support site leaked ID images etc. for 175 people

Unauthorized download of 2,419 files from the research-support site found Sep 25, 2026; personal data confirmed Sep 29; disclosed Oct 1. 369 user-uploaded files (175 people) including photo IDs (some with My Number), special health-check results and radiation-worker certificates. Account credentials out of scope. Oct 30 update refined counts.

Last updated: 2026-11-09

Overview

175 people.

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. 不正アクセスによる情報漏えいについて国立研究開発法人日本原子力研究開発機構 · 2026-11-09

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