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Investigating

Sado City: 4,111 Toki Fan Club emails may have leaked via Meruhaikun

Possible data leak: After Meruhaikun intrusion on a contracted Toki Fan Club mailer, Sado disclosed June 19, 2026. Of 9,028 members, 4,111 newsletter recipients are in scope. Vendor root to be linked later.

Last updated: 2026-11-09

Overview

4,111 people.

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. 佐渡市委託事業における不正アクセスによる個人情報漏洩のおそれについて佐渡市 · 2026-11-09

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