Présentation
158,600 email addresses of people who received mail through the service between October 9 and 29, 2026. No names, phones or message bodies. Per the company, this stems from unauthorised access to the Arara email-delivery platform (recorded separately); this 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
- 当社委託先のメール配信サービスにおける情報漏えいについてマンパワーグループ株式会社 · 2026-11-09