“fear that the companies’ networking gear and software could be used by China’s spooks to eavesdrop on sensitive communications, or that it might contain “kill switches” which would allow China to disable the systems involved in the event of a conflict. “I think it’s ridiculous to allow a Chinese company with connections to the Chinese government and the People’s Liberation Army (PLA) to have access to a network,” says Dmitri Alperovitch of CrowdStrike, a web-security outfit.”