Présentation
“Up to 4,298” wording → count blank. Cards out of scope.
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
- 個人情報漏えいの可能性のご報告とお詫び株式会社ミカサ · 2026-11-09