Osaka Metropolitan University

3MediumInvestigatingAnnounced Updated

A ransomware attack halted systems such as payroll and academic affairs. The university is still investigating whether personal information was leaked.

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
Ransomware
Occurred
2026-10-02
Sector
Education & research
Operational impact
Core operations stopped

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.

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

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

Sources

  1. 情報基盤システムにおける障害に関する記者会見を実施www.omu.moe · Published 2026-10-06(opens in a new tab)
  2. 大阪公立大学:10月5日記者会見資料(10月6日掲載)www.omu.moe · Published 2026-10-06(opens in a new tab)
  3. 一般・報道関係の方へwww.omu.moe(opens in a new tab)
  4. 公立大学法人大阪 臨時お知らせサイトwww.omu.moe(opens in a new tab)
  5. お問い合わせ先についてwww.omu.moe(opens in a new tab)
  6. 本学情報基盤システムにおける障害の発生について【第1報】www.omu.moe · Published 2026-10-02(opens in a new tab)
  7. 本学情報基盤システムにおける障害の発生について【第2報】www.omu.moe · Published 2026-10-02(opens in a new tab)
  8. 本学情報基盤システムにおける障害の発生について【第4報】対面授業再開のお知らせwww.omu.moe · Published 2026-10-08(opens in a new tab)
  9. 【学生向け】OMUメール利用再開について / [For Students] OMU Email Service Has Resumedwww.omu.moe · Published 2026-10-08(opens in a new tab)
  10. 【学生向け】OMUメールの一部利用再開について(補足)/[For Students] Partial Resumption of OMU Email Service (Supplementary Information)www.omu.moe · Published 2026-10-09(opens in a new tab)
  11. OMU認証システムについて(二要素認証できない人について)www.omu.moe · Published 2026-10-10(opens in a new tab)
  12. 基盤系システムの利用停止 (eduroam等) のお知らせwww.omu.moe · Published 2026-10-13(opens in a new tab)