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U.S. Cyber Consequences Unit

John Bumgarner, a cyber warfare expert who is chief technology officer of the U.S. Cyber Consequences Unit.

A cyber warfare expert claims he has linked the Stuxnet computer virus that attacked Iran's nuclear program in 2010 to Conficker, a mysterious worm that surfaced in late 2008 and infected millions of PCs. Conficker was used to open back doors into computers in Iran, then infect them with Stuxnet, according to research Bumgarner, a retired U.S. Army special-operations veteran and former intelligence officer.

Interview with John Bumgarner at Cyber Warfare 2010 London