Overview
“About 900” → 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
- 県職員向け防災緊急参集メールシステムへの不正アクセスによる個人情報漏えいの可能性について山梨県 · 2026-11-09