Overview
No count or field list on the page (count blank). The email service was stopped. The provider is not named on the page.
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
- 横浜市電子申請・届出システムが使用するメール送信サービスにおける個人情報の漏えいの可能性について横浜市 · 2026-11-09