Overview
“Up to 2,438 people” wording → count blank. Name, work email and hashed password among fields.
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
- 個人情報の漏えいについて東京都デジタルサービス局 · 2026-11-09