Investigating

Sato Kogyo: worker and emergency-contact data may have been viewed after jobsite NAS intrusion

Unauthorised access to one jobsite NAS was confirmed on November 5, 2025; Sato disclosed on March 26, 2026 that personal data may have been viewed.

Last updated: 2026-11-09

Overview

About 1,850 subject records and about 1,750 emergency contacts—approximate and not summed (count blank). Name, gender, trade, birth date, phone and address among fields.

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. 弊社作業所一箇所のNASへの不正アクセスに関するお知らせ佐藤工業株式会社 · 2026-11-09

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