Investigating

Tamano City: Arcadia intrusion may have exposed 5,001 disaster-mail magazine registrations

Disclosed Oct 14, 2026. Arcadia SpeeCAN RAIDEN intrusion may have exposed 5,001 registrant name/email records.

Last updated: 2026-11-09

Overview

5,001 records.

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. 玉野市防災メールマガジン運営事業者への不正アクセスによる個人情報漏洩の可能性について玉野市 · 2026-11-09

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