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    The Mason Test: A Defense Against Sybil Attacks in Wireless Networks Without Trusted Authorities

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    Author
    Liu, Yue; Bild, David R.; Dick, Robert P.; Mao, Z. Morley; Wallach, Dan S.
    Date
    2015
    Abstract
    Wireless networks are vulnerable to Sybil attacks, in which a malicious node poses as many identities in order to gain disproportionate influence. Many defenses based on spatial variability of wireless channels exist, but depend either on detailed, multi-tap channel estimation-something not exposed on commodity 802.11 devices-or valid RSSI observations from multiple trusted sources, e.g., corporate access points-something not directly available in ad hoc and delay-tolerant networks with potentially malicious neighbors. We extend these techniques to be practical for wireless ad hoc networks of commodity 802.11 devices. Specifically, we propose two efficient methods for separating the valid RSSI observations of behaving nodes from those falsified by malicious participants. Further, we note that prior signalprint methods are easily defeated by mobile attackers and develop an appropriate challenge-response defense. Finally, we present the Mason test, the first implementation of these techniques for ad hoc and delay-tolerant networks of commodity 802.11 devices. We illustrate its performance in several real-world scenarios.
    Citation
    Liu, Yue, Bild, David R., Dick, Robert P., et al.. "The Mason Test: A Defense Against Sybil Attacks in Wireless Networks Without Trusted Authorities." IEEE Transactions on Mobile Computing, 14, no. 11 (2015) IEEE: 2376-2391. http://dx.doi.org/10.1109/TMC.2015.2398425.
    Published Version
    http://dx.doi.org/10.1109/TMC.2015.2398425
    Type
    Journal article
    Publisher
    IEEE
    Citable link to this page
    https://hdl.handle.net/1911/90518
    Rights
    Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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    • Computer Science Publications [134]
    • Faculty Publications [4990]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map