In this article we introduce authentication preambles as a mechanism to mitigate battery exhaustion attacks in LPWAN networks. We focus on the LoRaWAN technology as an exponent of industrial LPWANs. We analyze the impact of DoS attacks in Class B deployments and implement authentication preambles to limit attacker options when forcing nodes to overhear class B beacons. The article presents realistic results demonstrating significant energy savings (91% energy saving when a network is attacked) versus a 4% energy overhead of the mechanism in normally operating networks.
@article{arxiv.1904.08179,
title = {Authenticated Preambles for Denial of Service Mitigation in LPWANs},
author = {Ioana Suciu and Jose Carlos Pacho and Andrea Bartoli and Xavier Vilajosana},
journal= {arXiv preprint arXiv:1904.08179},
year = {2019}
}
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17th International Conference on Ad Hoc Networks and Wireless - AdHoc-Now 2018, Saint Malo, France, 5th-7th of September, 2018