Investigating

Izumi City (Osaka): Arcadia SpeeCAN RAIDEN intrusion may have exposed Izumi Mail registrant data

Page updated Oct 15, 2026. Arcadia SpeeCAN RAIDEN intrusion may have exposed Izumi Mail etc. registrant personal data. No headcount. Lead lists first public date as Oct 13, 2026.

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. いずみメール等配信サービスへの不正アクセスについて和泉市 · 2026-11-09

Related information

arcadia-speecan-raiden-possible-leak-2026

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