Suno Data Breach Exposes 55 Million Users and Internal AI Training Source Code

#cybersecurity #infosec

Summary

Suno suffered a data breach in November 2025 that exposed the personal information of 55.3 million users and internal source code detailing its AI training practices. The incident, reported in July 2026, was caused by a supply chain attack using the Shai-Hulud worm to steal employee credentials.

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This article was originally published on BeyondMachines