Security concerns exist despite improvements in data encryption, authentication and privacy. The U.S. government is trying to ban technology from Chinas tech giant Huawei from next-generation networks. Experts say the main overarching problems plaguing previous generations of mobile technology GSM, 4G, and LTE have not been addressed in 5G standards and plans. The ability to intercept so-called pre-authentication messages between the user’s base station and the cellular tower, still exists in the 5G specifications and proposed architectures.”]