Overview
"Up to 948,498" (all held records; count blank): names, gender, birth dates, emails, addresses, phones, encrypted passwords and member IDs. Points of 611 members (JPY 2,869,500) were exchanged for Amazon gift codes; the company will compensate. Cause: exploitation of a software vulnerability.
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
- 当社が運営するアンケートサイト「infoQ」への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GMOリサーチ&AI株式会社 · 2026-11-09