Overview
Counts under review → 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
- 業務委託先企業における「不正アクセスによるお客さま情報流出の可能性」についてのお詫びとお知らせ長野都市ガス株式会社 · 2026-11-09