Title: Data survivability in Unattended wireless sensor networks.

Abstract:
In a mobile Unattended wireless sensor network(UWSN), sink visits each sensor node periodically to collect the data and hence data is not secure and has to be saved securely until the next visit of the sink. Securing the data from an adversary in UWSN with mobile nodes is a challenging task. We proposed two efficient approaches for data survivability in these sensors by duplicating the data. Our schemes show high survival probabilities with low communication and memory over head.