Investigating

Nidek: website vulnerability may have exposed member and inquiry data

Possible data leak: Unauthorized access via a vulnerability in website software. First notice July 24, 2026; investigation results August 7. External exfiltration not confirmed.

Last updated: 2026-11-09

Overview

“About 28,000” members and “about 4,500” inquirers → count blank.

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. 当社ウェブサイトへの不正アクセスに関する調査結果のお知らせ株式会社ニデック · 2026-11-09
  2. 当社ウェブサイトへの不正アクセスに関するお知らせとお詫び株式会社ニデック · 2026-11-09

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