This book addresses the security challenges facing the rapidly growing Internet of Things (IoT) industry, including the potential threats and risks arising from its complex architecture.

Keke Gai is a professor at the School of Cyberspace Science and Technology, Beijing Institute of Technology, China. With over a decade of experience serving on editorial boards, publishing books, and writing peer-reviewed journal and conference papers, he has developed a passion for various research areas, including cybersecurity, blockchain, the Internet of Things (IoT), privacy-preserving computation, centralized identity, and cloud computing.

Jing Yu is an associate professor with the Institute of Information Engineering, Chinese Academy of Sciences. She is an expert in cutting-edge fields of cybersecurity, including AI security, visual question answering, visual dialogue, and cross-modal information retrieval.

Liehuang Zhu is a full professor with the School of Cyberspace Science and Technology, Beijing Institute of Technology. He is an academic explorer in a few frontier areas, such as blockchain, space network, and advanced cryptographic applications.

1. Introduction to Cybersecurity 2. Basic Concepts of Cybersecurity in Internet of Things 3. Privacy Issues Categorizations in Internet of Things 4. Security in Cloud Computing and Cyber Physical Systems 5. Threat Models and Network Security 6. Cryptography and Cryptosystems 7. Wireless Network Security 8. Infrastructure and Hardware Security 9. Secure Distributed Data Storage and Processing 10. Digital Twin Optimization in Internet of Things