"We are working closely with law enforcement officials and a third-party hosting partner to investigate the claim and the significance of the data," the chipmaker said in a statement. The breach covers a vast variety of sensitive information, including data on future products, customer databases and financial records, among others, the reports said.
AMD competes with Nvidia, the AI darling. Commentary about the outlook for its AI chip business has put pressure on the shares.
Nvidia is now the largest company by market cap, surpassing Microsoft and completing a stunning rise for the chipmaker over the last two years.