SERENIoT: Collaborative Network Security Policy Management and Enforcement for Smart Homes
Corentin Thomasset, David Barrera

TL;DR
SERENIoT introduces a blockchain-based framework for collaboratively establishing and updating security policies for IoT devices in smart homes, addressing the challenge of defining and maintaining accurate device behavior profiles.
Contribution
It proposes a novel blockchain system that enables decentralized, automatic, and adaptive behavior whitelisting for IoT devices without manufacturer involvement.
Findings
Effective behavior consensus achieved among nodes.
System adapts to software updates automatically.
Demonstrated scalability and security in real and simulated environments.
Abstract
Network traffic whitelisting has emerged as a dominant approach for securing consumer IoT devices. However, determining what the whitelisted behavior of an IoT device should be remains an open challenge. Proposals to date have relied on manufacturers and trusted parties to provide whitelists, but these proposals require manufacturer involvement or placing trust in an additional stakeholder. Alternatively, locally monitoring devices can allow building whitelists of observed behavior, but devices may not exhaust their functionality set during the observation period, or the behavior may change following a software update which requires re-training. This paper proposes a blockchain-based system for determining whether an IoT device is behaving like other devices of the same type. Our system (SERENIoT, pronounced Serenity) overcomes the challenge of initially determining the correct behavior…
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Taxonomy
TopicsNetwork Security and Intrusion Detection · Internet Traffic Analysis and Secure E-voting · Advanced Malware Detection Techniques
