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Open AccessArticle

“Network Sentiment” Framework to Improve Security and Privacy for Smart Home

Department of Information Engineering, Università di Firenze, Via di Santa Marta 3, 50139 Firenze, Italy
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Future Internet 2018, 10(12), 125; https://doi.org/10.3390/fi10120125
Received: 31 October 2018 / Revised: 16 December 2018 / Accepted: 17 December 2018 / Published: 19 December 2018
(This article belongs to the Special Issue IoT Security and Privacy)
A Smart Home is characterized by the presence of a huge number of small, low power devices, along with more classical devices. According to the Internet of Things (IoT) paradigm, all of them are expected to be always connected to the Internet in order to provide enhanced services. In this scenario, an attacker can undermine both the network security and the user’s security/privacy. Traditional security measures are not sufficient, because they are too difficult to setup and are either too weak to effectively protect the user or too limiting for the new services effectiveness. The paper suggests to dynamically adapt the security level of the smart home network according to the user perceived risk level what we have called network sentiment analysis. The security level is not fixed, established by a central system (usually by the Internet Service Provider) but can be changed with the users cooperation. The security of the smart home network is improved by a distributed firewalls and Intrusion Detection Systems both to the smart home side as to the Internet Service Provider side. These two parts must cooperate and integrate their actions for reacting dynamically to new and on going threats. Moreover, the level of network sentiment detected can be propagate to nearby home networks (e.g., the smart home networks of the apartments inside a building) to increase/decrease their level of security, thus creating a true in-line Intrusion Prevention System (IPS). The paper also presents a test bed for Smart Home to detect and counteract to different attacks against the IoT sensors, Wi-Fi and Ethernet connections. View Full-Text
Keywords: Internet of Things; security; dynamic protection Internet of Things; security; dynamic protection
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Pecorella, T.; Pierucci, L.; Nizzi, F. “Network Sentiment” Framework to Improve Security and Privacy for Smart Home. Future Internet 2018, 10, 125.

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