The total of 130 full papers included in the proceedings was carefully reviewed and selected from 882 submissions. The papers were organized in topical sections as follows:
Part I: Software, Network and Protocol Security;
Part II: Security and Machine Learning; Embedded, Mobile and CPS Security;
Part III: Applied Crypto and MPC; Distributed Systems and Blockchain Security;
Part IV: Governance, Privacy and Personal Data Protection; Post-Quantum Crypto.