Research on Network Security of the Fifth Generation Mobile Communication Technology

With the development of communication technology, the key technologies of the 5th Generation Mobile Communication Network have been solved and the basic communication protocols have been adopted. The transmission of network information is also more convenient, bringing revolutionary changes to people's lives. At present, China's 5G mobile communication network has gradually become popular and covered. In the last two years, 5g technology will surely bring great changes to people in the field of mobile Internet and Internet of things, 5G mobile networks can support iot requirements. The 5g technology has not got rid of the fragility of virtual network while providing convenience, so it faces the security pressure which cannot be underestimated. And the security of 5G network and service should cover all aspects of service, let the user use it after ensuring the security, build a reliable, safe, convenient bridge, otherwise it is easy to cause the loss of user's benefit, even endanger national security, thus seriously hinder the development of 5G technology.