Overview
"About 234,000" (as of 13:00 November 6; count blank): policyholder and insured names, addresses, phones, birth dates, emails, vehicle and policy terms. No card, bank or login-password data.
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
- 当社システムへの不正アクセスに伴うお客さま情報の漏えいについて三井ダイレクト損害保険株式会社 · 2026-11-09