Research on Secure Communication in the Internet of Things

With the widespread penetration of the Internet of Things in various fields, its secure communication issues have become a key factor restricting the further development of the Internet of Things. This study deeply analyzes the many challenges faced by secure communications in the Internet of Things, including security risks of IoT cards , difficulties at the device and network levels, etc. The role of key technologies such as identity authentication, encryption, security analysis and threat prediction in ensuring secure communications in the Internet of Things is elaborated in detail. At the same time, the development trend of secure communications in the Internet of Things is discussed, such as the gradual improvement of standards and specifications and the application prospects of new technologies in security protection. Finally, strategies for dealing with secure communications issues in the Internet of Things from the technical level, management and cooperation level are proposed, aiming to provide comprehensive reference and guidance for research and practice in the field of secure communications in the Internet of Things, and promote the healthy and sustainable development of the Internet of Things industry.