Japan Atomic Energy AgencyResearch support site

3MediumConfirmedAnnounced

Identity documents and health check results of 175 people leaked from a research support site, including individual numbers of 6 people. Counts in the notice are file counts, not people.

This incident was imported from a dataset that compiles public announcements, and we are still checking it against the sources. Counts and causes will be updated after the check. Sources are in Japanese.

Cause
Unauthorized access
Sector
Education & research
Operational impact
None

Data involved

DataStatusCountGroupEvidence
My Number (national ID)Leak confirmedNot disclosed—Source(opens in a new tab)
Health informationLeak confirmedNot disclosed—Source(opens in a new tab)

Counts are the figures the organization announced. Because the same person may be counted more than once, we do not add the rows together.

Tools for this kind of attack

Picked from the cause of the incident: tools that help you check your own systems for the same kind of weakness, or spot the warning signs.

Vuls

Impact Reaches others
future-architect/vuls

An agentless vulnerability scanner that checks the packages installed on a server and lists the ones affected by known CVEs.

Purpose
Defense
Type
Command line
Difficulty
Intermediate
License
CopyleftGPL-3.0
Category
Vulnerability scanning
Actively updatedstars12,302Last update 2026-10-21
Read the Vuls review

Wazuh

Impact Local only
wazuh/wazuh

A free security platform (SIEM/XDR) that collects logs, configuration, and vulnerability data from agents on your endpoints and shows it all in one dashboard.

Purpose
Defense
Type
Self-hosted server
Difficulty
Advanced
License
CopyleftGPL-2.0(一部の構成要素は Apache-2.0)
Category
Vulnerability scanning / Forensics
Actively updatedstars17,410Last update 2026-10-24
Read the Wazuh review

Suricata

Impact Reaches others
OISF/suricata

An intrusion detection and prevention engine (IDS/IPS) that matches network traffic against rules and records suspicious activity as alerts.

Purpose
Defense
Type
Self-hosted server
Difficulty
Intermediate
License
CopyleftGPL-2.0
Category
Network
Actively updatedstars6,773Last update 2026-10-23
Read the Suricata review

Sources

  1. 不正アクセスによる情報漏えいについてwww.jaea.go.jp(opens in a new tab)
  2. 日本原子力機構に不正アクセス 研究者の個人情報が漏えい(共同通信)kumanichi.com · Published 2026-10-01(opens in a new tab)