Overview
No count or field list was found in the notice (count blank). No similar misconfiguration was found in other client environments as of November 3.
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
- 【重要】当社サービスを利用する特定企業の環境下における個人情報流出の可能性に関するお知らせとお詫び株式会社電通総研 · 2026-11-09