Survey on Edge Computing Security

With the advent of the Internet of Everything, emerging application scenarios including autonomous driving, immersive games based on VR or AR technology, and Industrial Internet of Things have promoted the early development of edge computing technologies. At present, the global mobile communications industry is moving towards 5G. Since 5G is one of the key access technologies to promote large-scale deployment of edge computing, it has made edge computing gain unprecedented attention in the world. However, since the birth of edge computing, edge computing security has been a key issue restricting its implementation and development. The new features of edge computing, the integration of a large number of new technologies, the new application scenarios brought by edge computing, and people's increasing demands for privacy protection have brought great challenges to edge computing security. This paper reviews the current research status of research on edge computing security. By analyzing the security challenges of edge computing in the context of new models, new application scenarios and new technology environments, this paper points out the security problems of edge computing in five aspects, including access control, key management, privacy protection, attack mitigation and anomaly detection. The paper separately discusses the research achievement of the academic community in these five areas and analyzes their advantages and disadvantages. Finally, combining edge cloud collaboration and edge intelligence, the future development direction of edge computing security is discussed and prospected.