Overview
318,513 email addresses; children's nicknames and birthdays were not included. The November 4 first notice only announced the service suspension. This stems from the Arara email-platform intrusion (recorded separately); the figure is a subset of the vendor scope and must not be added to it.
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
- 【重要】さとキッズくらぶメールサービスに関するお知らせ（第二報）サトフードサービス株式会社 · 2026-11-09
- さとキッズくらぶメールサービスに関するお知らせ（第一報）サトフードサービス株式会社 · 2026-11-09