Overview
Linked-log records cover up to 4,131 people and order-linked logs up to 9,554; overlap means fewer than 13,685 in total (upper bounds, count blank). Names, emails, phones, addresses and customer numbers may be involved; card numbers and login passwords are not.
Timeline
- Occurred
- Discovered
- Disclosed
Organization response
Blocked the traffic, hardened access controls, reported to the PPC and kept the site running after an external security review.
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
- 当社ECサイトへの不正アクセスによる個人情報漏洩の可能性に関するお詫びとお知らせ株式会社エディオン · 2026-11-09