Consisting of the energy resources and limited calculations, these power constraint networks are called as Wireless Sensor Networks. These are the emerging applications coming across in the field of pervasive computing comprising the base stations along with the sensor nodes which are further very efficient. The transmission medium used has the broadcast nature due to which wireless sensor networks are highly responsive to certain attacks in terms of its security.
PhD in SECURITY ATTACKS AND ENERGY EFFICIENCY IN WIRELESS SENSOR NETWORKS
The intelligent sensor nodes and base stations in the process of wireless sensor network have proved to be of great advantage. From the environments set up by humans and other natural ecosystems, these sensor nods collect the necessary information and transmit to respective base stations.
The working of sensor nodes is subject to resources comprising the following:
On the contrary, base station works under constraints of more energy, communication and resources to compute.
ISSUES IN THE CURRENT TECHNOLOGY
The sensor nodes may use multicast or broadcast mediums to transmit information. The broadcast nature results in wireless sensor network to easily become prone to security attacks. There are many such attacks possible in WSN which may be inform of injecting the path of final destination and source, trafficking in network, controlling the flow of traffic in network etc. the attack depends on different criteria which may be the domain or techniques used by attacker.
The approaches used to develop wireless sensor network has been categorized as low level and high level. Taking requirements into consideration, the approaches seem very supportive for its development. The features like- reconfiguration and OS power supply have duly been considered.
The technical communication pathway is the major concern for it being prone to security attacks. One single good quality route is needed for a node to reach the concerned base station that attracts the modes in gigantic number.
There are three network layer attacks, majorly- wormhole and Sybil attacks that mar the performance of network. To isolate the network from these layer attacks, the proposed framework calculates the distance between cluster head and nodes to detect any sort of malicious nodes. Watchdog techniques are another way to detect nodes facilitating wormhole attacks.
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