Authentication and authorization techniques -- Authentication and authorization for interoperable IoT architecture -- Bringing Access Control Tree to Big Data -- SNAPAUTH: A Gesture-based Unobtrusive Smartwatch User Authentication Scheme -- A Protocol to Strengthen Password-Based Authentication(short paper) -- Managing Private Credentials by Privacy-Preserving Biometrics -- Policy Support for Autonomous Swarms of Drones -- Violation Detection and Countermeasures -- A Logic-Based Reasoner for Discovering Authentication Vulnerabilities between Interconnected Accounts -- Towards a Framework for Testing the Security of IoT Devices Consistently -- Misuse Detection in a Simulated IaaS Environment -- Dissuading Stolen Password Reuse.