A destructive “Trojan Horse” malware program has penetrated the software that runs much of the nation’s critical infrastructure and is poised to cause an economic catastrophe, according to the Department of Homeland Security.
http://abcnews.go.com/US/trojan-horse-bug-lurking-vital-us-computers-2011/story?id=26737476
http://abcnews.go.com/US/trojan-horse-bug-lurking-vital-us-computers-2011/story?id=26737476