摘要
Abstract
With the development of smart home,digital medical,Internet of vehicles and other technologies,the application of the Internet of Things is becoming more and more popular.The traction of 5G makes the Internet of Things gain new momentum for devel-opment,the total number of connections continues to grow steadily,and the number of security attacks of the Internet of things also in-creases unprecedensively.Therefore,the issue of network security has attracted the attention of many researchers.Firstly,the security situation of the Internet of Things is introduced,and then the in-depth security system of the Internet of Things is described based on the network architecture system of the Internet of Things.Finally,the security problems of mMTC scenario defined in ITU-R are ex-pounded and analyzed.关键词
物联网/5G/大规模机器通信Key words
Internet of Things/5G/MMTC分类
信息技术与安全科学