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This work studies security-oriented cooperation schemes, addressing three possible cooperation scenarios, namely the jammer only, relay only and the relay-jammer pair. The cooperation scheme is adaptively selected according to the security requirement and network's operational conditions. The selection of a relay or/and a jammer as well as their transmit power are jointly optimized with the objective...
Short-range wireless communication technologies have been used in many security-sensitive smartphone applications and services such as contactless micro payment and device pairing. Typically, the data confidentiality of existing short-range communication systems relies on key-exchange then encryption mechanism, which is inefficient, especially for short communication sessions. In this work, we present...
Undetectable data attacks on the power grid produces errors in the state estimation that can potentially affect electricity prices as well as make the grid vulnerable to failures. A new hidden attack framework is presented for power grids where all meter measurements are secure from injection of malicious data. An adversary here only jams or blocks meter data from being sent to the control center...
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