Investigating

Imabari City: Arcadia intrusion may have exposed fire-mail and staff-assembly registrant data

Disclosed Oct 13, 2026. Arcadia vendor intrusion may have exposed Imabari fire-mail (email / in-out city / age band), staff-assembly mail (staff name/email) and fire-corps assembly mail (email/name). No headcount. Fire-mail resumed Oct 15.

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. 今治市が利用する情報配信システム運営事業者への不正アクセスによる個人情報漏えいの可能性について今治市 · 2026-11-09

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