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Design of a security gateway for domestic IoT

Fadeur, Franck
(2020)

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FADEUR_99341700_2020.pdf
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Details

Supervisors
Sadre, Ramin
Faculty
Ecole polytechnique de Louvain
Degree label
Master [120] en cybersécurité
Abstract
The popularity of the Internet of Things is growing up day after day. More and more new devices proposed by the constructors nowadays can be connected to the network and to the Internet. For example, some toasters, washing machines, lamps, smart televisions, etc. All of those devices used to be disconnected but not any more. These connected devices usually send a lot of data compared to the user's daily usage. Because of this, the manufacturers are able to collect a huge load of data and based on it, profile the users. Moreover, these data could be used on the behalf of a user without their acknowledgement. Several problems such as the fingerprinting of the devices, analysis of the user data and side channel attack on the number of packets were highlighted within this paper. This master thesis has explored a way to control the amount of data sent by the devices out of the network. In this case, two devices would be dependent. One would be the parent and the other one the child. The goal is to let the child’s DNS request going out of the local area network while the parent is also sending DNS requests. Thanks to this concept, the amount of packet sent by the child is reduced since the only periods it is allowed to do so is while the parent is sending requests too.