Viruses that infect USB devices can compromise systems based on air gaps. Cf. eg., https://www.schneier.com/blog/archives/2013/10/air_gaps.html https://www.sch

Viruses that infect USB devices can compromise systems based on air gaps. Cf. eg., https://www.schneier.com/blog/archives/2013/10/air_gaps.html https://www.schneier.com/blog/archives/2013/10/air_gaps.html and https://www.schneier.com/blog/archives/2020/05/ramsey_malware.html https://www.schneier.com/blog/archives/2020/05/ramsey_malwar...