Data Security in Unattended Wireless Sensor Networks

In recent years, wireless sensor networks (WSNs) have been a very popular research topic, offering a treasure trove of systems, networking, hardware, security, and application-related problems. Much of prior research assumes that the WSN is supervised by a constantly present sink and sensors can qui...

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Bibliographic Details
Published in:IEEE transactions on computers 2009-11, Vol.58 (11), p.1500-1511
Main Authors: Di Pietro, R., Mancini, L.V., Soriente, C., Spognardi, A., Tsudik, G.
Format: Article
Language:English
Subjects:
Computer information security
Computer simulation
Countermeasures
Cryptography
Data mining
data survival
Hardware
Intervals
Mathematical models
mobile adversary
Mobile communication
Monitoring
Networks
Sensors
Wireless sensor networks
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Summary:In recent years, wireless sensor networks (WSNs) have been a very popular research topic, offering a treasure trove of systems, networking, hardware, security, and application-related problems. Much of prior research assumes that the WSN is supervised by a constantly present sink and sensors can quickly offload collected data. In this paper, we focus on unattended WSNs (UWSNs) characterized by intermittent sink presence and operation in hostile settings. Potentially lengthy intervals of sink absence offer greatly increased opportunities for attacks resulting in erasure, modification, or disclosure of sensor-collected data. This paper presents an in-depth investigation of security problems unique to UWSNs (including a new adversarial model) and proposes some simple and effective countermeasures for a certain class of attacks.
ISSN:0018-9340
1557-9956
DOI:10.1109/TC.2009.109