Overview
Up to 7,200 supplier-contact emails, up to 6,000 transaction records, and names, addresses, phones, emails and departments of 4,778 employees. Different categories; no total stored (count 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
- 個人情報漏洩に関するお知らせとお詫び戸田建設株式会社 · 2026-11-09