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ZigBee has been recently drawing a lot of attention as a promising solutionfor ubiquitous computing. The ZigBee devices are normally resource-limited,making the network susceptible to a variety of security threats. This paperpresents a severe attack on ZigBee networks termed as ghost, which leveragesthe underlying vulnerabilities of the IEEE 802.15.4 security suites to depletethe energy of the devices. We manifest that the impact of ghost is severe as itcan reduce the lifetime of devices from years to days and facilitate a varietyof threats including denial of service and replay attacks. We highlight thatmerely deploying a standard suite of advanced security techniques does notnecessarily guarantee improved security, but instead might be leveraged byadversaries to cause severe disruption in the network. We propose severalrecommendations on how to localize and withstand the ghost and other relatedattacks in ZigBee networks. Extensive simulations are provided to show theimpact of the ghost and the performance of the proposed recommendations.Moreover, physical experiments also have been conducted and the observationsconfirm the severity of the impact by the ghost attack. We believe that thepresented work will aid the researchers to improve the security of ZigBeefurther.

Ghost-in-the-Wireless: Energy Depletion Attack on ZigBee