Abstract
Networks protection against different types of attacks is one of most important posed issue into the network and information security domains. This problem on Wireless Sensor Networks (WSNs), in attention to their special properties, has more importance. Now, there are some of proposed solutions to protect Wireless Sensor Networks (WSNs) against different types of intrusions; but no one of them has a comprehensive view to this problem and they are usually designed in single-purpose; but, the proposed design in this paper has been a comprehensive view to this issue by presenting a complete Intrusion Detection Architecture (IDA). The main contribution of this architecture is its hierarchical structure; i.e. it is designed and applicable, in one, two or three levels, consistent to the application domain and its required security level. Focus of this paper is on the clustering WSNs, designing and deploying Sensor-based Intrusion Detection System (SIDS) on sensor nodes, Cluster-based Intrusion Detection System (CIDS) on cluster-heads and Wireless Sensor Network wide level Intrusion Detection System (WSNIDS) on the central server. Suppositions of the WSN and Intrusion Detection Architecture (IDA) are: static and heterogeneous network, hierarchical, distributed and clustering structure along with clusters' overlapping. Finally, this paper has been designed a questionnaire to verify the proposed idea; then it analyzed and evaluated the acquired results from the questionnaires.
Highlights
Wireless Sensor Networks (WSNs) are homogeneous or heterogeneous systems consist of many small devices, called sensor nodes, that monitoring different environments in cooperative [1,2], i.e. sensor nodes cooperate to each other and combine their local data to reach a global view of the operational environment; they can operate autonomously
The prepared questionnaire is including some questions about different aspects and properties of the Intrusion Detection Architecture (IDA); it discusses the high-level and general requirements of Intrusion Detection System (IDS), which focused on IDSs’ performance and functionality
The questionnaire is presented to some experts in WSN and IDS areas
Summary
Wireless Sensor Networks (WSNs) are homogeneous or heterogeneous systems consist of many small devices, called sensor nodes, that monitoring different environments in cooperative [1,2], i.e. sensor nodes cooperate to each other and combine their local data to reach a global view of the operational environment; they can operate autonomously. Aggregation points collect information from their nearby sensor nodes, aggregate and forward them to the base station to process gathered data [4]. Factors such as wireless, unsafe, unprotected and shared nature of communication channel, untrusted and broadcast transmission media, deployment in hostile and open environments, automated and unattended nature and limited resources, make WSNs vulnerable and susceptible to many types of attacks [1]; in attending to the WSNs’ constraints, their requirements and unusable traditional network security techniques on WSNs, security is a vital and complex requirement for these networks [2,5]. Our proposal is adding an another defensive line, called Intrusion Detection System (IDS), as a new defensive-security layer to the WSNs’ security infrastructure; which it can WSN
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