2020 International Conference on Information Security and Privacy Protection organized by School of Cyber Science and Engineering Southeast University, China, is going to be held on October 23-25, 2020, in Nanjing, China, as workshop of ICSIP 2020. With the development of digital technologies, mass data is generated every day, it also comes along with information security and privacy problems. Many countries have published regulations or laws regarding to information security and privacy. The intensive regulations have brought many challenges to business operations, such as cross border data transmission, user data collection and storage, etc. The challenges are not only about the laws but also technologies, because the malicious attacking is updating as well.