The Security and Privacy Concerns on Metaverse

As the next development of the Internet, metaverse aims to construct an immersive, hyper-realistic, self-sustaining virtual space. In this space, humans can work, social and entertainment. Over the years, with the continuous development and emergence of various technologies, the realization of metaverse has become possible, and has attracted the attention of researchers. However, the privacy and security problems existing in the Internet world are no exception in metaverse, and even more serious problems will arise in metaverse. In this paper we comprehensively summarize the security and privacy threats in metaverse. Specifically we proposes a three-stage metaverse framework according to the user usage process, including: Ambient Perception, Avatar-Enabled Playing and Virtually Feedback. Meanwhile we point out and summarized the security and privacy issues in metaverse under three-stage framework and the according solutions to key challenges.