This book presents the best-selected research papers presented at the Third International Conference on Computing, Communication, Security & Intelligent Systems (IC3SIS 2024), organized by SCMS School of Engineering and Technology, Kochi, on July 11-12, 2024. It discusses the latest technologies in communication and intelligent systems, covering various areas of computing, such as advanced computing, communication and networking, intelligent systems and analytics, 5G and IoT, soft computing, and cybersecurity in general. Featuring work by leading researchers and technocrats, the book serves as a valuable reference resource for young researchers, academics, and industry practitioners.