This chapter thoroughly investigates safeguarding the Metaverse's complex infrastructure. The chapter, segmented into four distinct yet interconnected sections, meticulously dissects the multifaceted layers of Metaverse security. Initially, it delves into securing the architectural framework, examining everything from user interfaces to backend databases and underscoring the necessity for robust protocols to shield against various vulnerabilities. The chapter then focuses on strategies for mitigating DDoS (Distributed Denial of Service) attacks, highlighting the importance of advanced network security measures and AI-driven predictive models. Subsequently, it addresses the pivotal need for secure networking in real-time interactions within the Metaverse, emphasizing data encryption, secure authentication, and user privacy. The final section provides a comprehensive overview of cloud security considerations essential for the Metaverse, discussing challenges like data breaches and outlining best practices for maintaining a secure cloud infrastructure. By incorporating diverse perspectives from network engineering to digital ethics, this chapter extensively analyzes the current state and evolving challenges in Metaverse security, aiming to empower developers, policymakers, and users in navigating and reinforcing this novel digital realm's security landscape. Novelty: The source of the novelty is a multidisciplinary approach that combines network security measures, AI-driven predictive models, strong encryption protocols, and thorough cloud security practices to empower developers, policymakers, and users in the process of strengthening the security landscape of the Metaverse. By employing this all-complete perspective, data and service availability, confidentiality, and integrity within the dynamic digital space of the Metaverse are effectively protected.