IoT Security Architecture Design Based on Edge Computing

This paper proposes an IoT security architecture based on edge computing, designed to address security challenges in heterogeneous device, resource-constrained, and dynamic threat environments. Through systematic analysis of the shortcomings of existing security mechanisms, a layered security system covering the device layer, edge layer, and cloud management layer is constructed. This system integrates distributed identity authentication, trusted execution environments, intelligent threat detection, and lightweight encryption technology to effectively enhance the overall attack resistance and response speed of the system. In terms of data protection, local data processing, hierarchical storage, differential privacy, and anonymization techniques are adopted to ensure the privacy and security of data in transmission, storage, and processing. In accordance with the requirements of compliance regulations, a comprehensive data management strategy is formulated to enhance the legal and security compliance of the system. This architecture realizes multi-dimensional, elastic, and adaptive security protection, providing a strong guarantee for the secure and trusted operation of the Internet of Things, and laying a theoretical foundation for future widespread application and continuous innovation.