With the increasing focus on computer and telecommunication networks and applications, including the advent of cybersecurity, big data, cloud computing, and the Internet of Things, there has been rapid growth in research into telecommunication networks, security and privacy, data, mobile computing, cognitive computing, cloud computing, tools and applications, artificial intelligence, computer communications and modelling and simulation. The demand for high quality research outcomes has never been greater. ITNAC has been the forum for researchers and engineers to present and discuss topics related to advanced computing and data communication network technologies, services and applications. Novel contributions are presented in the form of keynote speeches by international experts, peer-reviewed technical papers, and posters. ITNAC 2023 seeks to address and capture highly innovative and state of the art research from academia, industry and standardization bodies.