5g Security Issues
July 11, 2019
Each new generation of mobile standards since 2G has been designed for one and the same goal: boost bandwidth on packet networks, to provide users with faster Internet access. The other changes were mini-mal. The voice codec in 3G changed only slightly. On 4G networks, voice traffic is transmitted over packet data using the IP Multimedia Subsystem (IMS), which many operators have not deployed (so the 4G net-work may not transmit voice at all, instead falling back on 2G/3G to make calls).