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    Countering the collusion attack with a multidimensional decentralized trust and reputation model in disconnected MANETs

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    Publication date
    2013
    Author
    Qureshi, Basit I.
    Min, Geyong
    Kouvatsos, Demetres D.
    Keyword
    Collusion detection; FIRE reputation model; Trust management; Disconnected MANETs; Peer-to-Peer overlays; P2P
    Peer-Reviewed
    Yes
    
    Metadata
    Show full item record
    Abstract
    The FIRE trust and reputation model is a de-centralized trust model that can be applied for trust management in unstructured Peer-to-Peer (P2P) overlays. The FIRE model does not, however, consider malicious activity and possible collusive behavior in nodes of network and it is therefore susceptible to collusion attacks. This investigation reveals that FIRE is vulnerable to lying and cheating attacks and presents a trust management approach to detect collusion in direct and witness interactions among nodes based on colluding node's history of interactions. A witness ratings based graph building approach is utilized to determine possibly collusive behavior among nodes. Furthermore, various interaction policies are defined to detect and prevent collaborative behavior in colluding nodes. Finally a multidimensional trust model FIRE+ is devised for avoiding collusion attacks in direct and witness based interactions. The credibility of the proposed trust management scheme as an enhancement of the FIRE trust model is verified by extensive simulation experiments.
    URI
    http://hdl.handle.net/10454/9718
    Version
    No full-text available in the repository
    Citation
    Qureshi B, Min G and Kouvatsos DD (2013) Countering the collusion attack with a multidimensional decentralized trust and reputation model in disconnected MANETs. Multimedia Tools and Applications. 66(2): 303-323.
    Link to publisher’s version
    http://dx.doi.org/10.1007/s11042-011-0780-7
    Type
    Article
    Collections
    Engineering and Informatics Publications

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