https://www.cnet.com/news/apple-tells-congress-its-was-never-hacked-by-chinese-spy-chips/

Both Apple and Amazon denied the article's claims on Thursday, writing that the reporting was inaccurate and that they had never been affected by malicious chips. Bloomberg said it stands by its reporting, even as the Department of Homeland Security and the UK's National Cyber Security Centre backed up Apple and Amazon's denials. 

George Stathakopoulos, Apple's vice president of information security, told members of Congress in the letter that the reports aren't true.