This open access book constitutes the proceedings of the 8th International Conference on
Principles of Security and Trust POST 2019 which took place in Prague Czech Republic in
April 2019 held as part of the European Joint Conference on Theory and Practice of Software
ETAPS 2019. The 10 papers presented in this volume were carefully reviewed and selected from 27
submissions. They deal with theoretical and foundational aspects of security and trust
including on new theoretical results practical applications of existing foundational ideas
and innovative approaches stimulated by pressing practical problems.
