Investigating

Aioi City: Arcadia SpeeCAN RAIDEN intrusion may have exposed disaster mass-notification registrant data

Disclosed Oct 14, 2026. SpeeCAN RAIDEN (Arcadia) disaster mass-notification intrusion (detected Oct 11) may have exposed registrant data. No exact headcount in the notice body.

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. 防災情報一斉送信サービス(スピーキャン・ライデン)への不正アクセスによる影響について相生市 · 2026-11-09

Related information

arcadia-speecan-raiden-possible-leak-2026

Related information

Share a report

No published information yet

Information appears here after source checks or moderation.

Comments and replies

Write a comment

No account needed. Comments appear immediately.

Do not post private names, addresses, passwords, or codes. Automatic masking is limited; review your content before submitting.