Personal Marks and Community Certificates: Detecting Clones in Mobile Wireless Networks of Smart-Phones
Marco Valerio Barbera, Alessandro Mei

TL;DR
This paper introduces Personal Marks and Community Certificates, two mechanisms leveraging social contact patterns to detect cloned devices in mobile wireless networks, enhancing security against insider and outsider attacks.
Contribution
It proposes novel biometric-based authentication methods using social contact data to identify cloned devices in mobile ad hoc networks.
Findings
Personal Marks effectively detect insider clones.
Community Certificates identify outsider clones.
Combined mechanisms provide strong security against clone attacks.
Abstract
We consider the problem of detecting clones in wireless mobile adhoc networks. We assume that one of the devices of the network has been cloned. Everything, including certificates and secret keys. This can happen quite easily, because of a virus that immediately after sending all the content of the infected device to the adversary destroys itself, or just because the owner has left his device unattended for a few minutes in a hostile environment. The problem is to detect this attack. We propose a solution in networks of mobile devices carried by individuals. These networks are composed by nodes that have the capability of using short-range communication technology like blue-tooth or Wi-Fi, where nodes are carried by mobile users, and where links appear and disappear according to the social relationships between the users. Our idea is to use social physical contacts, securely collected…
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Taxonomy
TopicsOpportunistic and Delay-Tolerant Networks · User Authentication and Security Systems · Internet Traffic Analysis and Secure E-voting
