Abstract: The forthcoming Internet of Things – an intelligent collaboration of resource-limited static/mobile devices that are
embedded in the daily lives of users – poses new challenges to security and end-user privacy. One of the most challenging
problems is how to thwart replica attacks. Once a device is captured physically by an attacker or contaminated by malicious
code, it can be reprogrammed and the secret information inside can be duplicated into a large number of replicas that
maliciously occupy the network and collect users private information without authorisation. In this study, the authors focus
on studying the detection of replicas in mobile applications; which can consist of resource-limited static devices attached to
mobile entities. Most existing solutions for detecting replicas have been designed for static devices, and cannot be
immediately applied to mobile devices because of their unique properties, in particular, their node mobility. The authors
present two efficient methods for detecting replicas in mobile devices. Through performance evaluations, they find that the
proposed methods provide highly accurate replica detection with nearly zero detection errors. Furthermore, the distributed and
cooperative strategy of the methods significantly reduces the energy required to detect replicas while providing faster replica
detection than the existing solutions.
Abstract: The forthcoming Internet of Things – an intelligent collaboration of resource-limited static/mobile devices that areembedded in the daily lives of users – poses new challenges to security and end-user privacy. One of the most challengingproblems is how to thwart replica attacks. Once a device is captured physically by an attacker or contaminated by maliciouscode, it can be reprogrammed and the secret information inside can be duplicated into a large number of replicas thatmaliciously occupy the network and collect users private information without authorisation. In this study, the authors focuson studying the detection of replicas in mobile applications; which can consist of resource-limited static devices attached tomobile entities. Most existing solutions for detecting replicas have been designed for static devices, and cannot beimmediately applied to mobile devices because of their unique properties, in particular, their node mobility. The authorspresent two efficient methods for detecting replicas in mobile devices. Through performance evaluations, they find that theproposed methods provide highly accurate replica detection with nearly zero detection errors. Furthermore, the distributed andcooperative strategy of the methods significantly reduces the energy required to detect replicas while providing faster replicadetection than the existing solutions.
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