According to a leaked secret FBI document, Chinese counterfeiters have sold close to 75 million dollars of fake Cisco Systems routers to the U.S. military. This revelation raises troubling questions about both the integrity of U.S. defenses in cyberspace and the possible motives of a foreign government with a long rap sheet for military espionage and cyber hacking. At least some of China's fake routers may be specially designed to provide Chinese hackers with undetectable "back doors" into the highest echelons of classified information throughout the defense department bureaucracy. (less info)