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As ad-hoc networks have different characteristics from a wired network, the intrusion detection techniques used for wired networks are no longer sufficient and effective when adapted directly to a wireless ad-hoc network. In this article, first τhe security challenges in intrusion detection for ad-hoc networks are identified and the related work for anomaly detection is discussed. We then propose a layered intrusion detection framework, which consists of collection, detection and alert modules that are handled by local agents. The collection, detection and alert modules are uniquely enabled with the main operations of ad-hoc networking, which are found at the OSI link and network layers. The proposed modules are based on interpolating polynomials and linear threshold schemes. An experimental evaluation of these modules shows their efficiency for several attack scenarios, such as route logic compromise, traffic patterns distortion and denial of service attacks.
|Uncontrolled Keywords:||ad-hoc networks, collection, detection and alert modules, framework|
|Subjects:||Q Science > QA Mathematics > QA76 Computer software|
|Divisions:||School of Informatics > Informatics and Interdisciplinary Centre for Information Leadership
School of Informatics > Centre for Software Reliability
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