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Open AccessArticle

Resistance of IoT Sensors against DDoS Attack in Smart Home Environment

1
Department of Applied Informatics, University of SS. Cyril and Methodius, 91701 Trnava, Slovakia
2
Institute of Applied Informatics, Automation and Mechatronics, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology in Bratislava, 91724 Trnava, Slovakia
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(18), 5298; https://doi.org/10.3390/s20185298
Received: 20 August 2020 / Revised: 13 September 2020 / Accepted: 14 September 2020 / Published: 16 September 2020
(This article belongs to the Special Issue Internet of Things for Sensors and Biosensors)
Smart devices along with sensors are gaining in popularity with the promise of making life easier for the owner. As the number of sensors in an Internet of Things (IoT) system grows, a question arises as to whether the transmission between the sensors and the IoT devices is reliable and whether the user receives alerts correctly and in a timely manner. Increased deployment of IoT devices with sensors increases possible safety risks. It is IoT devices that are often misused to create Distributed Denial of Service (DDoS) attacks, which is due to the weak security of IoT devices against misuse. The article looks at the issue from the opposite point of view, when the target of a DDoS attack are IoT devices in a smart home environment. The article examines how IoT devices and the entire smart home will behave if they become victims of a DDoS attack aimed at the smart home from the outside. The question of security was asked in terms of whether a legitimate user can continue to control and receive information from IoT sensors, which is available during normal operation of the smart home. The case study was done both from the point of view of the attack on the central units managing the IoT sensors directly, as well as on the smart-home personal assistant systems, with which the user can control the IoT sensors. The article presents experimental results for individual attacks performed in the case study and demonstrates the resistance of real IoT sensors against DDoS attack. The main novelty of the article is that the implementation of a personal assistant into the smart home environment increases the resistance of the user’s communication with the sensors. This study is a pilot testing the selected sensor sample to show behavior of smart home under DDoS attack. View Full-Text
Keywords: Internet of Things; DDoS; smart home; security; IoT sensors; personal assistants Internet of Things; DDoS; smart home; security; IoT sensors; personal assistants
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Huraj, L.; Šimon, M.; Horák, T. Resistance of IoT Sensors against DDoS Attack in Smart Home Environment. Sensors 2020, 20, 5298.

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