The Internet of Things at large will foster billions of devices, people and services to interconnect and exchange information and useful data. As IoT systems will be ubiquitous and pervasive, a number of security and privacy issues will arise. Credible, economical, efficient and effective security and privacy for IoT are required to ensure exact and accurate confidentiality, integrity, authentication, and access control, among others. In this paper, the IoT vision, existing security threats, and open challenges in the domain of IoT are discussed. The current state of research on IoT security requirements is discussed and future research directions with respect to IoT security and privacy are presented.

Trust is an essential component of every interaction we make. For some transactions we need very little trust, while for others we may be quite risk averse. In this paper we investigate trust in an Internet-of-Things environment. Can we trust devices? How can we quantify trust in devices?

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