调查中

Hiroshima Gas: investigating possible customer-data impact from Ryomo Systems intrusion

Possible data leak: Following Ryomo Systems’ internal-network intrusion (maintainer of Hiroshima Gas customer systems), the company posted on Sep 30, 2026 that customer-data leakage was not confirmed at that time and review continues. Related to the Ryomo incident.

最后更新: 2026-11-09

此内容以 English 显示。

概述

No confirmed count → blank.

时间线

未知发生
未知发现
2026-09-30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

システム維持管理事業者への不正アクセスに関するお知らせ広島ガス株式会社 · 2026-11-09