Présentation
Possible fields: newsletter recipient emails and similar. No count (count blank). No impact on data held in Cybozu services such as kintone. This stems from the Ymir Link Cuenote FC intrusion (recorded separately); the figure is a subset of the vendor scope and must not be added to it.
Chronologie
- Survenue
- Découverte
- Divulgation
Réponse de l’organisation
Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.
Que faire ?
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
- ユミルリンク株式会社「Cuenote FC」への不正アクセスによる情報漏えいの可能性について（第一報）サイボウズ株式会社 · 2026-11-09