  The Internet of Things (IoT) envisions pervasive, connected, and smart nodes
interacting autonomously while offering all sorts of services. Wide
distribution, openness and relatively high processing power of IoT objects made
them an ideal target for cyber attacks. Moreover, as many of IoT nodes are
collecting and processing private information, they are becoming a goldmine of
data for malicious actors. Therefore, security and specifically the ability to
detect compromised nodes, together with collecting and preserving evidences of
an attack or malicious activities emerge as a priority in successful deployment
of IoT networks. In this paper, we first introduce existing major security and
forensics challenges within IoT domain and then briefly discuss about papers
published in this special issue targeting identified challenges.
