Countdown to Zero Day: Stuxnet and the Launch of the World's First Digital Weapon

by Kim Zetter

to the number of machines Stuxnet would infect via a USB flash drive before the USB exploit would shut down.1

Is it common for worms/viruses to control vitality like this? Does that help it in some way? Slow it down so it’s not as visible and can go undetected longer? [Later suggests/states this is true. Makes sense]