> JapanHacked_
[Investigating][Severity: Critical][Intrusion][Credential abuse]

Nikke: server intrusion and data leakage

Suspicious administrator logins on August 6 and threat files the next day prompted account changes and investigation. Publication of stolen information was confirmed on August 21. Staff, former staff, applicants and group customers were affected; the total remained under investigation, expected to be in the thousands. My Number was excluded and no secondary harm was confirmed at disclosure.

Disclosed

2025-09-10

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

Timeline

  1. Detected 2025-08-06
  2. Disclosed 2025-09-10
  3. 35 days

Organizations involved

Open in organization search

Sources

  1. [1][Official]当社システムへの不正アクセスによる個人情報漏えいについてのお詫びとお知らせThe Japan Wool Textile Co., Ltd. · 2025-09-10