Abstract
With the rapid development of the Internet of Things (IoT), new security issues are increasingly emerging. Security issues are key issues affecting the development of data sharing. Many countries are paying more and more attention to the security of data sharing. IoT represents the next evolution of the internet, taking a huge leap in its ability to gather, analyze, and distribute data that we can turn into information, knowledge and ultimately wisdom. In this context, IoT becomes immensely important. Based on IoT real attack cases in the world, this paper analyzes the security situation of IoT, analyzes the security threats of IoT from three dimensions of physical security, computing security, and data security, and discusses the key technologies that need to be focused on in the security of Internet of Things.
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