content: Nearly all of them, if not all... http://www.reuters.com/article/2015/02/17/usa-cyberspying-idINL1N0VQ0NG20150217 http://www.wired.com/2015/02/nsa-firmware-hacking/ https://www.techpowerup.com/209925/nsa-hides-spying-backdoors-into-hard-drive-firmware.html