A House committee report found telecom equipment manufacturers Huawei and ZTE pose a cyber-espionage threat to U.S. communications has legitimate concerns, experts say. Experts believe the report raises important points and signals a more aggressive approach towards China. Huawei, ZTE and Huawei have denied the allegations, with the former claiming the findings were based on “rumors and speculations” The report said the companies could not guarantee that their products would be free from spyware. The Defense Department has claimed that China is home to “the world’s most active and persistent perpetrators of economic espionage””]