Overview
Card fields for 3,268 people (name on card, number, expiry, security code). 735 logged-in members also face email/password/phone exposure. Count stores 3,268 card subjects (735 is a subset and is not added).
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
- 第三者不正アクセスに関するフォレンジック調査完了および判明事項についてのお知らせ株式会社ボンフォーム · 2026-11-09
- 不正アクセスによるシステム侵害発生のお詫びとお知らせ株式会社ボンフォーム · 2026-11-09