> The only practical security boundary for software as complex as Linux or Windows is physically separate hardware Maybe you will be interested in a paper conc

> The only practical security boundary for software as complex as Linux or Windows is physically separate hardware Maybe you will be interested in a paper concerning air-gapping by Joanna Rutkowski: http://invisiblethingslab.com/resources/2014/Software_compartmentalization_vs_physical_separation.pdf http://invisiblethingslab.com/resources/2014/Software_compar... tl;dr: air-gapping has its own strong disadvantages.