This book features selected research papers presented at the Fifth International Conference on Computing, Communications, and Cyber-Security (IC4S 2023), organized in Ghaziabad India, during December 1–2, 2023. The conference was hosted at KEC Ghaziabad and Lisbon, Portugal. It includes innovative work from researchers, leading innovators, and professionals in the areas of communication and network technologies, advanced computing technologies, data analytics and intelligent learning, the latest electrical and electronics trends, and security and privacy issues. The work is presented in two volumes.