Overview
2,835 bloggers: names, emails, addresses, phones, birth dates, gender, occupation, profiles and SNS accounts. Also 630 assignment records, 11,237 sent mails and 10,780 partner-company rows; people count stores 2,835. Vulnerability remediated.
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
- 「HAPPY PLUS COMMUNITY」への不正アクセスによる個人情報漏洩のお詫びとお知らせ株式会社集英社 · 2026-11-09