Son of Stuxnet? Researchers Warn of Impending Cyber Attack Stuxnet was a highly sophisticated computer worm that was discovered last year and was thought to have successfully targeted and disrupted systems at a nuclear enrichment plant in Iran. http://abcnews.go.com/Blotter/stuxnet-returns-duqu-researchers-warn-similar-cyber-attack/story?id=14763854 Stuxnet is a computer worm discovered in June 2010. It targets Siemens industrial software and equipment running Microsoft Windows. http://en.wikipedia.org/wiki/Stuxnet  ------------------------ Keith Smith