Confirmed

MAFF: My Number and payroll data of 4,571 staff and family members leaked via misdirected email

While consolidating FY2025 withholding records, data were sent to a wrong email address; discovery was on January 19 and public notice on January 23.

Last updated: 2026-11-09

Overview

4,571 staff and family members: names, birth dates, addresses, My Numbers, pay, tax, insurance deductions and family My Numbers.

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. 職員の個人情報の漏えい事案の発生について農林水産省 · 2026-11-09

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