Présentation
The final report fixed the scope: buyer/member names, addresses, phones, fax, emails, employers, member IDs with encrypted passwords, partial card numbers (first 6 and last 4 digits), cardholder names and expiry dates, and merchant admin logins. "About 23,356,000" people (about 2,096,900 with partial card data; count blank) across 7,858 shops.
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
- 不正アクセスによる個人情報漏えいに関するお知らせ（第1報）株式会社Eストアー · 2026-11-09
- 不正アクセスによる個人情報漏えいに関するお知らせ（第2報）株式会社Eストアー · 2026-11-09
- 不正アクセスによる個人情報漏えいに関するお知らせ（最終報）株式会社Eストアー · 2026-11-09