among the most famous and prestigious universities in Vietnam. The annual FDSE conference is a premier forum designed for researchers, scientists, and practitioners interested in state-of-the-art and state-of-the-practice activities in data, information, knowledge, and security engineering to explore cutting-edge ideas, present and exchange their research results and advanced data-intensive applications, as well as to discuss emerging issues on data, information, knowledge, and security engineering.The call for papers resulted in the submission of 88 papers. A rigorous and peer-review process was applied to all of them. This resulted in 20 full (including keynote speeches) and three short accepted papers (acceptance rate: 26.1 %), which were presented at the conference. Every paper was reviewed by at least three members of the international Program Committee, who were carefully chosen based on their knowledge and competence. This careful process resulted in the high quality of the contributions published in this volume. The accepted papers were grouped into the following sessions: