Super Micro Computer told customers in an Oct. 18 letter that the gist of a recent Bloomberg Businessweek article–reporting the alleged secret implantation of malicious computer chips in motherboards made by the company and used by numerous U.S. companies and government agencies–is “wrong,” and that “from everything we know and have seen, no malicious hardware chip has been implanted during the manufacturing of our motherboards.” […]

The chairmen of the House Intelligence and Oversight and Government Reform committees have asked for classified briefings from top U.S. law enforcement and intelligence agencies on a recent Bloomberg Businessweek report that Chinese hackers infiltrated numerous U.S. companies and government agencies through a supply-chain hardware hack involving implantation in network equipment of a chip that can route data back to China. […]

Apple told congressional leaders in a letter dated today that a story last week by Bloomberg Businessweek–reporting that chips made by a Chinese firm and used in Apple equipment were engineered to enable backdoor data transmissions to China–is “not true.” […]