Cai Xiao, PhD, joined the School of Cyberspace Security in December 2023, and studied under Professor Tian Zhihong as a postdoctoral fellow. He graduated from the University of Electronic Science and Technology of China with a PhD in Engineering in 2023, and visited the Department of Electrical Engineering at Pohang University of Science and Technology in South Korea in September 2021; and visited the School of Electrical and Electronic Engineering at Nanyang Technological University in Singapore in November 2022. At present, his research interests include stability theorems, industrial control systems, network control systems, cyber-physical systems, optimization control, and network security. He has published more than 50 papers, including more than 30 as the first author, including journals such as IEEE Trans. Fuzzy Syst., IEEE Trans. Cybern., IEEE Trans. Syst. Man Cybern., and IEEE Trans. Inf. Forensics Security. He has long served as a guest editor of the Fractal Fract journal, and has served as a reviewer for many international journals such as IEEE Trans. Cybern, IEEE Trans. Ind. Informat., and IEEE Trans. Transport. Electrific.