With the rapid development of 5G,the speed and capacity of the network have been significantly improved,but the security and privacy issues that follow have become increasingly prominent.5G network not only supports higher data transmission rate and lower delay,but also connects a large number of IOT devices to the network,which makes security protection face greater challenges.By summarizing the main security and privacy protection technologies in 5G communication,including encryption technology,identity authentication,network slicing,edge computing,etc.,this paper focuses on how these technologies meet the security and privacy challenges in 5G environment,and discusses the applications of privacy protection technologies such as data anonymity,differential privacy and privacy computing.
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