Investigating

Dokenpo: RIZAP generative-AI misuse may have exposed 1,167 members’ data

Possible data leak: RIZAP fed 19,996 records into an unapproved generative-AI tool (1,167 of them Dokenpo’s). Third-party viewing/training use denied per the notice.

Last updated: 2026-11-09

Overview

1,167 people (association subset; vendor 19,996 not added).

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. 特定保健指導委託業者における個人情報の不適切な取扱いに関するご報告とお詫び全国土木建築国民健康保険組合 · 2026-11-09

Related information

rizap-health-guidance-generative-ai-upload-possible-leak-2026

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