In April 2004, Microsoft issued a patch for a vulnerability in Windows' Local Security Authority Subsystem Service (LSASS). Shortly after, a teenager in Germany released the Sasser worm to exploit the vulnerability in unpatched machines. Multiple variants of Sasser took out airline, public transportation, and hospital networks, causing $18 billion in damages.
Fox Van Allen is a Los Angeles-based writer for CBS Interactive covering technology, tech lifestyle and gaming topics for GameSpot, CNET, ZDNet and TechRepublic. He has previously worked as a news and feature writer for a number of other sites, including Techlicious, Tecca, WoW Insider (Joystiq) and Blizzard Watch. In his spare time, Fox is an amateur skydiver, retro gaming and arcade enthusiast, 8-bit pixel artist, podcaster and Twitch live streamer.