Position verification in wireless sensor networks (WSNs) is quite tricky in presence of attackers (malicious sensor nodes), who try to break the verification protocol by reporting their incorrect positions (locations) during the verification stage. In the literature of WSNs, most of the existing methods of position verification have used trusted verifiers, which are in fact vulnerable to attack...

Malicious anchor nodes will constantly hinder genuine and appropriate localization. Discovering the malicious or vulnerable anchor node is an essential problem in Wireless Sensor Networks (WSNs). In wireless sensor networks, anchor nodes are the nodes that know its current location. Neighbouring nodes or nonanchor nodes calculate its location (or its location reference) with the help of anchor ...

Malicious anchor nodes will constantly hinder genuine and appropriate localization. Discovering the malicious or vulnerable anchor node is an essential problem in wireless sensor networks (WSNs). In wireless sensor networks, anchor nodes are the nodes that know its current location. Neighboring nodes or non-anchor nodes calculate its location (or its location reference) with the help of anchor ...

Standard on-demand routing protocols in wireless ad hoc networks were not originally designed to deal with security threats. Because of that, malicious users have been finding ways to attack networks. Rushing attacks represent one of such possibilities. In these attacks, malicious nodes forward the Route Request (RREQ) packets, asking for a route, to the destination node quicker than the legiti...

Multipath routing in ad hoc networks increases the resiliency against security attacks of collaborating malicious nodes, by maximizing the number of nodes that an adversary must compromise in order to take control of the communication. In this paper, we identify several attacks that render multipath routing protocols vulnerable to collaborating malicious nodes. We propose an on-demand multipath...

A cluster of sensor nodes in Cluster-based Wireless Sensor Network (CWSN) is cooperating to achieve some objectives. For CWSN, the fault-tolerance and reliability has been an important topic. The problem of reaching agreement in the distributed system is one of the most important issues to design a fault-tolerance system. In previous works, reach a common agreement among healthy nodes to cope w...

In this paper, we investigate the impacts of applying game theory on the network throughput, network voltage loss and accuracy of malicious node detection to wireless sensor networks. We implement a protocol which the sensors use when deciding whether or not to forward packets they receive from other sensors in order to conserve power. Nodes in a wireless sensor network accomplish this by optim...

Wireless mesh network can increase service coverage by low-cost multiple-paths between a source and a destination. But because of the wireless nature, wireless mesh network is vulnerable to diversified threats. Especially attacks by malicious nodes can decrease the performance or ravage the network. Many protocols, based on Public Key Infrastructure (PKI), have been proposed to ensure security ...

Wormhole attack is a Routing-Disruption Attack in ad hoc networks, those malicious nodes in these networks can bear wormhole attacks to make up a false scenario on neighbor discovery relations among mobile nodes. The attackers endanger the safety of ad hoc routing protocols with making a direct link, referred to as a wormhole tunnel, between malicious nodes. After building a wormhole tunnel, on...

Wireless ad hoc network is a collection of mobile nodes dynamically forming a temporary network without a centralized administration. This kind of network has been applied for both civilian and military purposes. However, security in wireless ad hoc networks is hard to achieve due to the vulnerability of the links, the limited physical protection of the nodes, and the absence of a certification...