A friend of mine is politically active in Iran and under constant surveillance by the rigorous secret service there. There are frequent break-ins into her apartment. She finds her system often compromised in various ways. Understandably she is not comfortable using her computer for anything but the most inconspicuous tasks, given the low probability of detecting specially designed targeted malware using commercial products.
Hence my question is:
Has hardware been developed to fill this niche i.e. does a system exist that is not vulnerable to fancy rootkit shenanigans? Or perhaps something that resets the entire hard disk to factory state before startup? She is not looking for anything fancy. A basic browser is about all she needs. Additionally she is looking for a similar solution for her router, which she currently uses to tunnel herself into a safe network.