Overview
Approximate counts so count blank. Employee-side business and HR/private fields; external contacts’ names, emails and phones. No card fields stated.
Timeline
- Occurred
- Discovered
- 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
- 当社のIT環境への不正アクセスに関するお知らせ（第二報）株式会社村田製作所 · 2026-11-09
- 当社のIT環境への不正アクセスに関するお知らせ（第三報）株式会社村田製作所 · 2026-11-09