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Unique characteristics of wireless sensor networks have made node compromise a great security challenge. An adversary can use compromised nodes to inject false data to the network, thus deceiving the sink to make false decisions. Moreover, the false data will deplete precious energy resources of en-route nodes which forward the false data to the sink. To fight against such false data injection attacks,...
Wireless sensor networks (WSNs) have wide applications both in military and civil fields. However, when deployed in untended/hostile area, WSNs may suffer all kinds of attacks like flooding, sinkhole, etc. To apply WSNs more practically and wildly, some secure countermeasures must be deployed in WSNs. In this paper, we design a kind of firewall scheme, which is based on mobile agent, to isolate the...
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