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Di Ma and Nitesh Saxena A context-aware approach to defend against unauthorized reading and relay attacks in RFID systems Security and Communication Networks 7

Version of Record online: 22 DEC 2011 | DOI: 10.1002/sec.404

This paper proposes a novel research direction, one that utilizes sensing technologies to tackle the challenging problems of unauthorized reading and relay attacks in radio frequency identification systems. First, contextual information is used to design context-aware selective unlocking mechanisms, so that tags can selectively respond to reader interrogations and, thus, minimize the likelihood of unauthorized reading and “ghost-and-leech” relay attacks. Second, contextual information is used as a basis for context-aware secure transaction verification to defend against special types of relay attacks involving malicious readers.

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