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Investigating

Nakabayashi REVEX: after site tampering, 3,631 inquiry records may have been exposed

Possible data leak: Noticed June 30, 2026; site stopped July 1; first notice July 2 (then stated no personal data held). On July 23 inquiry-form data was found stored; second notice July 24. Final report confirmed vulnerability abuse but no view/exfil traces. Separate from the ApplyNow incident.

Last updated: 2026-11-09

Overview

3,631 inquiry records (38 with name/address/phone/email; 25 name/phone/email; 3,568 name/email).

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. 弊社製品紹介サイト「REVEX」における不正アクセスの発生及び改ざんについてナカバヤシ株式会社 · 2026-11-09
  2. 弊社製品紹介サイト「REVEX」におけるお問い合わせ情報の保管に関するお詫びとお知らせ（第二報）ナカバヤシ株式会社 · 2026-11-09
  3. 弊社製品紹介サイト「REVEX」への不正アクセスに関する調査結果のご報告（最終報）ナカバヤシ株式会社 · 2026-11-09

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