https://www.theverge.com/2018/10/19/17999712/apple-amazon-hack-china-spy-chip-dan-coats

On Thursday, US director of national intelligence Dan Coats told Cyberscoop that he has yet see any evidence to corroborate the claims that Chinese spies compromised critical US tech infrastructure following a report by Bloomberg earlier this month.

“We’ve seen no evidence of [Chinese hardware manipulation],” Coats said, “but we’re not taking anything for granted.”