Rep. Jason Chaffetz, R-Utah, questioned a top DHS official about software and hardware that is built overseas, is shipped into the U.S. and comes embedded with spyware or other code meant for sabotage. A Defense Science Board warned the government against the risk of “trojan horse” circuits threatening the “security and integrity of classified and sensitive circuit design information” Malware has been sent pre-loaded in products like USBs, microchips, cameras, webcams, printers, cell phones, motherboards or system boards.”]
Source: https://www.csoonline.com/article/2220169/dhs–imported-tech-tainted-with-backdoor-attack-tools.html