This open access book constitutes the proceedings of the 7th International Conference on
Principles of Security and Trust POST 2018 which took place in Thessaloniki Greece in April
2018 held as part of the European Joint Conference on Theory and Practice of Software ETAPS
2018. The 13 papers presented in this volume were carefully reviewed and selected from 45
submissions. The papers are organized in topical sections named: information flow and
non-intereference leakage information flow and protocols smart contracts and privacy
firewalls and attack-defense trees.
