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Sensors 2015, 15(1), 2104-2136; doi:10.3390/s150102104

Sensor Data Security Level Estimation Scheme for Wireless Sensor Networks

Graduate Program in Applied Computer Science, University of Fortaleza, Av. Washington Soares 1321, Fortaleza 60.811-905, Brazil
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Received: 18 November 2014 / Revised: 17 December 2014 / Accepted: 23 December 2014 / Published: 19 January 2015
(This article belongs to the Special Issue Wireless Sensor Networks and the Internet of Things)
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Abstract

Due to their increasing dissemination, wireless sensor networks (WSNs) have become the target of more and more sophisticated attacks, even capable of circumventing both attack detection and prevention mechanisms. This may cause WSN users, who totally trust these security mechanisms, to think that a sensor reading is secure, even when an adversary has corrupted it. For that reason, a scheme capable of estimating the security level (SL) that these mechanisms provide to sensor data is needed, so that users can be aware of the actual security state of this data and can make better decisions on its use. However, existing security estimation schemes proposed for WSNs fully ignore detection mechanisms and analyze solely the security provided by prevention mechanisms. In this context, this work presents the sensor data security estimator (SDSE), a new comprehensive security estimation scheme for WSNs. SDSE is designed for estimating the sensor data security level based on security metrics that analyze both attack prevention and detection mechanisms. In order to validate our proposed scheme, we have carried out extensive simulations that show the high accuracy of SDSE estimates. View Full-Text
Keywords: wireless sensor networks; network security; security level; security metrics; cryptography; key management; intrusion detection systems wireless sensor networks; network security; security level; security metrics; cryptography; key management; intrusion detection systems
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ramos, A.; Filho, R.H. Sensor Data Security Level Estimation Scheme for Wireless Sensor Networks. Sensors 2015, 15, 2104-2136.

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