Major AI infrastructure company Mercor suffers significant data breach through LiteLLM supply-chain attack, with hackers claiming to have stolen 4TB of data

Mercor, valued at $10 billion, confirmed a supply-chain attack targeting LiteLLM, a popular AI development tool

Extortion gang Lapsus$ claims responsibility and alleges they obtained four terabytes of data from the breach

Mercor works with major AI companies including OpenAI and Anthropic, raising concerns about downstream impacts

The attack highlights vulnerabilities in AI infrastructure and development tools widely used across the industry