Présentation
Email addresses of 1,250,543 people leaked; the company says no passwords themselves leaked. This stems from the intrusion into KDDI's mail platform for ISPs (recorded separately); the figure is a subset of KDDI's total 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
- CPIのメールサービスに対する不正アクセスについてのお詫びとご報告株式会社KDDIウェブコミュニケーションズ · 2026-11-09
- 弊社メールサービスに対する不正アクセス発生とお詫び株式会社KDDIウェブコミュニケーションズ · 2026-11-09