This book constitutes the proceedings of the 39th IFIP International Conference on ICT Systems Security and Privacy Protection, SEC 2024, held in Edinburgh, UK, during  June 12–14, 2024.

The 34 full papers presented were carefully reviewed and selected from 112 submissions. The conference focused on current and future IT Security and Privacy Challenges and also was a part of a series of well-established international conferences on Security and Privacy.