Defunct FTX Japan exposes 35,000 Users’ personal data

More than a year after shutting down, FTX Japan’s backend Amazon S3 bucket leaked personal and financial data of over 35,000 users. The exposed bucket contained over 26 million files—HTML-formatted financial reports, logs, and user data generated as recently as July 2024—revealing that automated reporting systems remained active post-shutdown. Originally operating as Liquid by Quoine, FTX Japan segregated and returned customer funds after the global FTX collapse, then was acquired and rebranded as Custodiem in 2024. The prolonged exposure of sensitive, unprotected data likely violates Japanese and international data protection laws, underscoring failures in decommissioning and cybersecurity safeguards.

Read more:

https://cybernews.com/security/ftx-japan-data-leak-2025/