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IHI Group kenpo: RIZAP generative-AI misuse may have exposed 210 members’ data

Possible data leak: After RIZAP reported an employee fed target data into a generative-AI tool, disclosed Sep 2, 2026. 210 members. Cards/accounts/passwords not included per RIZAP.

Last updated: 2026-11-09

Overview

210 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. 特定保健指導業務の委託先における生成AI利用に関する事案発生についてIHIグループ健康保険組合 · 2026-11-09

Related information

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

Related information

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