Denial of Service Attacks in Wireless Sensor Networks with Proposed Countermeasures
A wireless sensor network (WSN) is a network consisting of small nodes with constrained capabilities to sense, collect, and transmit sensed data in many application areas such as the healthcare system, the automotive industry, sports, and open space surveillance. WSNs communicate through wireless mediums and are accessible to anyone, which makes sensor nodes vulnerable to various forms of attack. Considering the energy-constrained nature of sensor nodes, denial of service (DoS) attacks on these nodes are popular. This paper examines DoS attacks and proposes countermeasures based on use of the clustering technique. The method is compared with other related protocols, and the results show that our method is able to effectively detect and defend against DoS attacks in WSNs.
KeywordsSensor networks Security Denial of service Malicious node Clustering Integrity
Philip Abidoye acknowledges the support by University of South Africa, South Africa.
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