Investigating

Minoh City: Arcadia SpeeCAN RAIDEN intrusion may have exposed citizen safety-mail registrant data

Possible data leak: Emergency stop of SpeeCAN RAIDEN (Arcadia) from 11:00 Oct 13 to 15:00 Oct 15, 2026. Affected citizen safety-mail and Hazardon app alerts. Whether personal data leaked still under investigation. No headcount.

Last updated: 2026-11-09

Overview

No published headcount → blank.

Timeline

  1. Occurred
  2. Discovered
  3. 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

  1. 防災情報配信サービスの緊急停止について箕面市 · 2026-11-09

Related information

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