3rd book in the WMD Files sub-series.
"Rafiq Roshed is one of the most wanted men in the world. A terrorist with a virulent grudge against the West, he’s disappeared into North Korea where he quietly launches cyber sneak attacks in service of Kim Jong-un. Penetrating the Chinese, he has their war machine launch a series of attacks on the U.S. Pacific forces. Don Riley, head of U.S. Cyber Command, discovers that not only have the Chinese lost control of their military, but the same virus has infected the American network."