Identity and Access Management in IoT Utilizing Blockchain for Secure Device Authentication and Control
B Devanathan, T. Vanitha · 2024
The rapid proliferation of IoT devices across various industries has amplified the importance of secure and efficient identity and access management (IAM). This chapter explores the integration of blockchain technology for decentralized authentication in IoT ecosystems, addressing critical limitations of traditional authentication methods. Key discussions include the challenges posed by the resource-constrained nature of IoT devices and the dynamic behavior of IoT networks. The chapter delves into cryptographic solutions optimized for IoT environments and evaluates the balance between security, scalability, and performance. The potential benefits of decentralized approaches, such as improved resilience, enhanced privacy, and reduced reliance on central authorities, are critically assessed alongside their inherent challenges. Emerging trends and future directions for leveraging blockchain to enhance IoT device security are also highlighted. This comprehensive analysis aims to guide researchers and industry professionals toward developing robust, scalable IAM solutions for IoT.