This book constitutes the proceedings of the 8th International Symposium on Cyber Security, Cryptology, and Machine Learning, CSCML 2024, held in Be'er Sheva, Israel, during December 19–20, 2024.The 16 full papers and 11 short papers presented here were carefully reviewed and selected from 43 submissions. These papers focus on the current innovative research developments in the field of cyber security, cryptography, and machine learning systems and networks.