> JapanHacked_
[Investigating][Severity: Major][Intrusion]

JOGMEC: unauthorized access to its information systems

After a tip-off from an outside organization, the Japan Organization for Metals and Energy Security (JOGMEC) found on 9 September that unauthorized access to its information systems may have leaked about 1,100 staff email addresses and about 7,400 outside email addresses. It restricted access and controlled communications on the affected systems.

Disclosed

2026-10-02

Organizations involved

1

Leaked or at risk

7.4K

7,400

Downtime

Unknown

Timeline

  1. Detected 2026-09-09
  2. Disclosed 2026-10-02
  3. 23 days

Attack or cause

Method
[Intrusion]
Impact
[Data leak]
Entry point
Unknown

Data exposed or at risk

[E-mail address]

Organizations involved

Open in organization search

Sources

  1. [1][Official]不正アクセスによる個人情報の漏えいの可能性に関するお詫びとご報告JOGMEC