> On May 27, 2016, at 2:04 PM, Ali <cct...@ibm51xx.net> wrote: > > I would say very few. You have to remember critical systems are not running > a general windows system i.e. people are not surfing the web on them and > installing the latest games recommended by friends from facebook. Windows on > its own is very stable.
And nobody - *ever* - plugs a USB stick into them. Or puts them on a LAN with machines that people shove USB sticks into.