调查中

Nagano Toshi Gas: Ryomo Systems intrusion may have exposed customer personal data

On Sep 24, 2026 Ryomo reported possible exfiltration of Nagano Toshi Gas customer data after a network intrusion; city-gas company disclosed Sep 28. Counts/fields still under review. No secondary misuse found.

最后更新: 2026-11-09

此内容以 English 显示。

概述

Counts under review → blank.

时间线

未知发生
2026-09-24发现
2026-09-28披露

组织应对措施

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

用户应对建议

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.

信息来源

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