This four-volume set LNCS 14982-14985 constitutes the refereed proceedings of the 29th European Symposium on Research in Computer Security, ESORICS 2024, held in Bydgoszcz, Poland, during September 16-20, 2024. The 86 full papers presented in these proceedings were carefully reviewed and selected from 535 submissions. They were organized in topical sections as follows: Part I: Security and Machine Learning. Part II: Network, Web, Hardware and Cloud; Privacy and Personal Datat Protection. Part III: Software and Systems Security; Applied Cryptopgraphy. Part IV: Attacks and Defenses; Miscellaneous.