Category: Security
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Money Forward GitHub Breach (May 2026) — Root Cause and What Should Have Been Done
Overview On May 1, 2026, Money Forward, Inc. disclosed that its development GitHub account had been accessed by an unauthorized third party who copied repositories. Approximately 370 records related to the “Money Forward Business Card” (operated by Money Forward Kessai) — specifically the cardholder name in Latin letters and the last 4 digits of the card number — may have been exposed. The company also temporarily suspended bank-account aggregation features while it confirmed safety with each partner financial institution. This…