September seemed to mark a serious escalation in global cyber warfare. Media reports detailed what appeared to be Chinese attacks against Pentagon networks and government computer systems in Germany, France and the United Kingdom -- putting Defense Department officials on the offensive.
Government officials and communications experts are assessing the public safety and security implications of a newly posted online article that provides directions for making cheap devices that can jam Global Positioning System (GPS) signals.
The U.S. Defense Department has probably been selectively jamming signals from the Global Positioning System (GPS) in Afghanistan since the start of the air campaign, according to nonmilitary GPS experts.
The United States put together its first small group of information warriors, a move that has convinced some Defense experts that the military waged a cyberwar against Serbia this year.