Security is a serious, and often neglected, issue in the Internet of Things (IoT). In order to improve IoT security, researchers proposed to use Security-by-Contract (S×C), a paradigm originally designed for mobile application platforms. However, S×C assumes that manufacturers equip their devices with security contracts, ...

Interoperable Intelligent Assistant Systems (IAS) could help realize the advantages of the Internet of Things (IoT). Yet, due to their insufficient skill set and persistent privacy concerns on the consumers' side, such IAS experience only limited popularity. While enabling IAS to communicate and exchange data with ...