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Money Forward: 370 business-card related records may have leaked after GitHub intrusion

After GitHub credential leakage enabled intrusion, a May 1, 2026 first notice said some personal data in repo files may have leaked. No production-DB exfiltration confirmed.

Last updated: 2026-11-09

Overview

370 Money Forward Kessai business-card rows (alphabetic cardholder name and last-4). Full PAN, expiry and CVV not confirmed leaked.

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. 『GitHub』への不正アクセス発生に関するお知らせとお詫び（第一報）株式会社マネーフォワード · 2026-11-09

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