The FBI distributes viruses & keyloggers that mainstream Anti-Viruses software are legally not allowed to detect [Magic Lantern, CIPAV, Carnivore (DCS1000), Network Investigative Technique]

The NSA has forced Intel, AMD, and chip makers to backdoor their CPUs and allow them to access your computer even if it is "turned off" (as long as it has access to electricity) [Intel ME, AMD PSP]

The NSA has also forced hardware manufacturers to backdoor their "Random Number Generators" to allow them to break RSA encryption [Dual Elliptic Curve]

American-made electronics transmit radio frequencies which allow the FBI and NSA to access your computer even if its not connected to the internet [Cottonmouth-I, SURLYSPAWN, ANT/TAO Catalog]

The NSA intercepts computers/laptops/phones purchased online and installs malware chips* on them before delivering it to you *(see: ANT/TAO Catalog) [TAO Team]

If you are a "Person of Interest" the NSA is intercepting your mail, opening them up, and installing bugs on any electronics you order over the internet (e.g. TVs phones, video games, etc.0 [ANT/TAO Catalog]

The NSA has already broken Tor networks and can identify you and attack you if you use Tor; ISP companies like Verizon, AT&T & Comcast assist with this. [FOXACID, QUANTUMINSERT, EGOTISTICALGIRAFFE]

Major American tech companies like Microsoft willingly provide the NSA advanced warnings of Zero-Day security vulnerabilities before revealing them to the public [TAO Team, PRISM, NSA Hoarding program.]

The CIA can infect your car's control system, which would allow them to remotely take it over and drive it [Vault 7]