angry tapir writes "Cyber attacks on the US Department of Defense — many of them coming from China — have jumped sharply in 2009, a US congressional committee has reported. Citing data provided by the US Strategic Command, the US-China Economic and Security Review Commission said that there were 43,785 malicious cyber incidents targeting Defense systems in the first half of the year. That's a big jump. In all of 2008, there were 54,640 such incidents. If cyber attacks maintain this pace, the yearly increase will be around 60 percent. The full report (PDF) is available online."