Overview
No published headcount (blank).
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
- 再委託先における不正アクセス事案による関係者・イベント出演者に関する個人情報の漏えい等に関するご報告とお詫び公益社団法人２０２５年日本国際博覧会協会 · 2026-11-09