This book presents the proceedings of the Communication Security and Information Processing Conference (CSIP 2024), which took place in Malaysia, Kuala Lumpur, May 10-12, 2024. The CSIP brings together leading experts, scholars, and engineers from around the globe to explore and discuss the forefront of technologies and recent breakthroughs in enhancing information systems and safeguarding communication security. The conference is designed to serve as a platform for exchanging knowledge and fostering international collaborations, to spark innovative ideas and pioneering solutions among participants.