Overview
Recipients July 31-October 31, 2026, "up to 684,772" (count blank). This stems from the Arara email-platform intrusion (recorded separately); the figure is a subset of the vendor scope and must not be added to it.
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
- テレボート会員メールマガジン等のメール配信サービスに対する不正アクセス及び情報漏洩に関するお詫びとお知らせ一般財団法人BOATRACE振興会 · 2026-11-09