On the afternoon of July 18, 2023, Professor Yu Shui from the School of Computer Science, University of Technology Sydney, Australia, visited our college to carry out an academic exchange activity entitled "Digital Privacy: Status, Challenges, and Directions". Our teacher Diao Yunfeng hosted this exchange seminar, and teachers and students from relevant research directions of our college, including Wang Yaofei, Hu Wenbo, Yang Yi, and Wu Jingjing, participated in this activity.

At the meeting, Professor Yu Shui briefly introduced the University of Technology Sydney, and shared and discussed in depth with our teachers and students about his team's current research directions, including hot and difficult issues in current AI security research such as Privacy Pricing, Machine Unlearning, Semantic Communication. After the sharing, Professor Wang Yaofei, Professor Hu Wenbo, and Professor Diao Yunfeng respectively introduced the progress of the research work in the direction of AI security and information security that our college is currently engaged in, and had a heated discussion on data privacy protection, adversarial security, AI security of large models, explainable AI security and the landing issues of related research in the security field.

Dr. Yu Shui is a professor at the School of Computer Science, University of Technology Sydney, Australia, an IEEE Fellow, an outstanding lecturer of the IEEE Computer Society, and a member of the board of directors of the IEEE Communications Society and the IEEE Vehicular Technology Society. He has served as an outstanding lecturer of the IEEE Communications Society, an excellent youth of the National Natural Science Foundation of China, and a key project evaluation expert. He is currently serving as an editorial board member of several journals, including IEEE Communications Surveys and Tutorials and IEEE Internet of Things Journal. His research areas include cyberspace security, network science, big data, mathematical modeling, etc. He has published 5 monographs, edited 2 books, and published more than 500 papers, with a Google h-index of 70.