Overview
The second report fixed 6,427,735 member records and 6,383,279 people (deduplicated by email; 6,170,908 active, 212,371 former): names, birth dates, gender, emails, phones, addresses, password hashes, point-card and member numbers. No payment, bank or ID-image data.
Timeline
- Occurred
- Discovered
- Disclosed
Organization response
Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.
What you can do
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詫びとお知らせブックオフグループホールディングス株式会社 · 2026-11-09
- 不正アクセスによる個人情報漏えいに関するお詫びとお知らせ(第2報)ブックオフグループホールディングス株式会社 · 2026-11-09