Suno Data Breach Affecting 55 Million Users Comes to Light, Leaked Source Code Suggests Unlicensed Scraping of YouTube and Other Sites

A cyberattack on AI music generator Suno that occurred in November 2025 has come to light through media reports. Have I Been Pwned puts the number of affected users at over 55 million, and the stolen source code reportedly points to unlicensed scraping of sites including YouTube.