Well, we’ve even ruined outer space. io9 writes:
The problem with creating Stuxnet, the world’s most sophisticated malware worm, is that it could eventually go rogue. Which is precisely what has happened. The virus has spread to a Russian nuclear plant — and even the International Space Station.
Stuxnet is an incredibly powerful computer worm that was created by the United States and Israel to attack Iran’s nuclear facilities. It initially spreads through Microsoft Windows and targets Siemens industrial control systems. It’s considered the first malware that both spies and subverts industrial systems. It’s even got a programmable logic controller rootkit for the automation of electromechanical processes.
Let that last point sink in for just a second. This thing, with a little bit of coaxing, can actually control the operation of machines and computers it infects.
Apparently, the virus spread to the International Space Station on an infected USB stick that was transported by Russian cosmonauts.