Catch Me (If You Can): Data Survival in Unattended Sensor Networks

Authors:
Roberto Di Pietro;Luigi V. Mancini;Claudio Soriente;Angelo Spognardi;Gene Tsudik
Affiliations:
-;-;-;-;-
Venue:
PERCOM '08 Proceedings of the 2008 Sixth Annual IEEE International Conference on Pervasive Computing and Communications
Year:
2008

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Abstract

Unattended sensor networks operating in hostile environments might collect data that represents a high-value target for the adversary.The unattended sensor's inability to off-load -- in real time -- sensitive data to a safe external entity makes it easy for the adversary to mount a focused attack aimed at eliminating certain target data. In order to facilitate survival of this data, sensors can collectively attempt to confuse the adversary by changing its location and content, i.e., by periodically moving the data around the network and encrypting it.In this paper, we focus on data survival in unattended sensor networks faced with an adversary intent on surgically destroying data which it considers to be of high value. After motivating the problem and considering several attack flavors, we propose several simple techniques and provide their detailed evaluation.