Comment Sigh. (Score 1) 289
It's not clear how the devices (including heart monitors, MRI machines and PCs) got infected. Infected computers were running Windows NT and Windows 2000 in a local area network (LAN) that wasn't supposed to be Internet accessible, but the LAN was connected to one with direct Internet access.
Critical medical equipment running Windows and connected to the Internet? YOU'RE DOING IT WRONG! The sheer stupidity of humans never ceases to amaze me.