Investigating

Hadano City: vendor intrusion may have exposed emergency-mail and related registrant data

Disclosed Oct 15, 2026. Possible exposure of 33,336 emergency-mail, 1,135 staff safety-check and 31 push-delivery registrants (counts not yet fixed). Subsets not summed.

Last updated: 2026-11-09

Overview

Unconfirmed subsets → 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. 緊急情報メール等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秦野市 · 2026-11-09

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