Overview
Estimate wording → blank.
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
- 委託先システムへの不正アクセスによる「マウントカフェ部」会員情報漏洩に関するお詫びとお知らせ森永乳業株式会社 · 2026-11-09