The Internet of Things (IoT) is a quite new concept covering on digital systems being correlated with each other. The first role of the Internet was to connect people, while this new paradigm serves in terms of connecting devices. Those solutions could get connected to each other using a standard web signal or applying another sort of communication channels.
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It's estimated that the IoT has included around 4.9 billion devices by the end of 2015, while it's expected that there would be 25 billion IoT devices in 2020. The purpose of this paper is to provide a comprehensive overview about how this concept works and try to deal with some of a security's aspect of this useful paradigm.