The H2020 European research project GHOST-SafeGuarding Home IoT Environments with Personalised Realtime Risk Control-aims to deploy a highly effective security framework for IoT smart home residents through a novel reference architecture for user-centric cyber security in smart homes providing an unobtrusive and user-comprehensible solution. The aforementioned security framework leads to a transparent cyber security environment by increasing the effectiveness of the existing cyber security services and enhancing system's self-defence through disruptive software-enabled network security solutions. In this paper, GHOST security framework for IoT-based smart homes is presented. It is aiming to address the security challenges posed by several types of attacks, such as network, device and software. The effective design of the overall multilayered architecture is analysed, with particular emphasis given to the integration aspects through dynamic and re-configurable solutions and the features provided by each one of the architectural layers. Additionally, real-life trials and the associated use cases are described showcasing the competences and potential of the proposed framework.
Without a doubt, the security of Internet of Things (IoT) systems is of crucial importance. The use of such systems has significantly increased in the recent year, where in every aspect of our daily life we interact with IoT environments and devices of any type. Therefore, it comes with no surprise that the relevant security concerns have attracted the focus of the security community and there is a rising need for security solutions in the IoT domain. GHOST is an EU Horizon 2020 Research and Innovation funded project, aiming at developing a reference architecture for securing smart-home IoT ecosystems. One of the approaches employed in GHOST project is to model the behavior of the IoT devices with regard to the network activity with the aim to detect and following mitigating cyber-security events. This functionality is mainly provided by two GHOST system modules, that is the Network and Data Flow Analysis (NDFA) and the Profile Builder (PB), described in detail in this paper.
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