Confirmed

Life Insurance Association: guest-permission flaw left 27,407 inquiry-system users viewable

The life-insurance contract inquiry system allowed viewing other users’ personal data via certain external operations. Flagged by a security firm; first notice July 29, 2026. Investigation found a guest-user permission mis-grant from 2021-07-01 until the July 27, 2026 shutdown.

Last updated: 2026-11-09

Overview

27,407 unique records (37,929 gross not used). Name, DOB, address, phone, email, internal ID. First-notice “about 37,000” not used.

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. 生命保険契約照会システムにおける情報漏えい等に関するお知らせ一般社団法人生命保険協会 · 2026-11-09
  2. 生命保険契約照会システムにおける情報漏えい等に関する調査結果、再発防止策およびシステムの再開について一般社団法人生命保険協会 · 2026-11-09

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