No wonder the Pentagon is bracing for all manners of cyber warfare. Late last week, officials reported that the FBI and the U.S. Marshals Service saw some of their computers “shut down” after a virus attack overwhelmed them. Reportedly, the virus stemmed from an invasion at the Marshals Service, with an FBI spokesperson noting that it was just one of several agencies “facing similar issues.”Technicians disconnected the Marshals system from the Justice Department’s computer system in order to proactively prevent