This book constitutes the refereed post-conference proceedings of the Interdisciplinary Workshop on Trust, Identity, Privacy, and Security in the Digital Economy, DETIPS 2020; the First International Workshop on Dependability and Safety of Emerging Cloud and Fog Systems, DeSECSys 2020; Third International Workshop on Multimedia Privacy and Security, MPS 2020; and the Second Workshop on Security, Privacy, Organizations, and Systems Engineering, SPOSE 2020; held in Guildford, UK, in Septembe...

This volume constitutes the refereed proceedings of the 13th IFIP WG 11.2 International Conference on Information Security Theory and Practices, WISTP 2019, held in Paris, France, in December 2019.The 12 full papers and 2 short papers presented were carefully reviewed and selected from 42 submissions. The papers are organized in the following topical sections: authentication; cryptography; threats; cybersecurity; and Internet of Things.