This book constitutes the thoroughly refereed post-conference proceedings of the 10th
International Conference on Risks and Security of Internet Systems CRiSIS 2015 held in
Mytilene Lesbos Island Greece in July 2015. The 18 full papers presented were selected from
50 submissions. The papers sessions that have covered a broad range of topics: trust and
privacy issues privacy policies and policy based protocols risk management risk analysis and
vulnerability assessment cloud systems and cryptography and attack and security measures.
