Présentation
Notice uses “about 26,800” and approximate subset figures so count blank. Health admin, nurse filings and hospital lists among categories.
Chronologie
- Survenue
- Découverte
- Divulgation
Réponse de l’organisation
Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.
Que faire ?
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
- 県委託事業者へのサイバー攻撃について（プレスリリース資料）山形県 · 2026-11-09
- 県委託事業者へのサイバー攻撃について山形県 · 2026-11-09