This vulnerability is most likely to be exploited through removable drives.

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The virus is believed to have spread through these removable drives.

CNN: Computer virus hits U.S. drone fleet

But time and time again, the so-called "air gaps" between classified and public networks have been bridged, largely through the use of discs and removable drives.

CNN: Computer virus hits U.S. drone fleet

Predator and Reaper crews use removable hard drives to load map updates and transport mission videos from one computer to another.

CNN: Computer virus hits U.S. drone fleet

And then on June 17, 2010 VirusBlokAda, a little infosec company in Belarus discovered a new piece of malware that exploited a heretofore unknown Windows vulnerability via removable flash drives.

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