These CCIS five-part volumes constitutes the referred proceedings of the 14th International Symposium on Information and Communication Technology, SOICT 2025, held in Nha Trang, Vietnam, during December 12–14, 2025.The 119 full papers and 117 short papers were included in this were carefully reviewed and selected from 345 submissions. They focus on research including Networking and Communication Technologies, AI Foundation and Big Data, AI Applications, Multimedia Processing, Software Engineering, and Recent Advances in Cyber Security.