Investigating

Tsunagu: corporate-site intrusion may have exposed 157 contact-form submissions

Possible data leak: Unauthorized access to the corporate site was identified June 29, 2026. Investigation could not fully rule out external exposure of contact-form personal data; disclosed Aug 27.

Last updated: 2026-11-09

Overview

157 submissions (name etc.; fields vary by post).

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. 当社システムに対する不正アクセスの発生および情報漏えいの可能性に関する調査結果と現時点で判明している事実に基づく対策について株式会社繋 · 2026-11-09

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