New Covert Channels in Internet of Things

Mileva, Aleksandra and Velinov, Aleksandar and Stojanov, Done (2018) New Covert Channels in Internet of Things. In: The 12th International Conference on Emerging Security Information, Systems and Technologies - SECURWARE 2018, September 16-20, 2018, Venice, Italy.

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Abstract

Network steganography is a relatively new discipline which studies different steganographic techniques that utilize network protocols for data hiding. Internet of Things (IoT) is a concept which integrates billions of embedded devices that communicate to each other. To the best of our knowledge, there are not many attempts that utilize existing network steganographic techniques in protocols specifically created for IoT. Therefore, in this paper, we present several new covert channels that utilize the Constrained Application Protocol (CoAP), which is a specialized Web transfer protocol used for constrained devices and networks. This protocol can be used regardless of its transport carrier (Datagram Transport Layer Security - DTLS or clear UDP – User Datagram Protocol). The suggested covert channels are categorized according to the pattern-based classification, and, for each covert channel, the total number of hidden data bits transmitted per CoAP message or its Packet Raw Bit Rate (PRBP) is given.

Item Type: Conference or Workshop Item (Paper)
Subjects: Natural sciences > Computer and information sciences
Divisions: Faculty of Computer Science
Depositing User: Aleksandra Mileva
Date Deposited: 21 Sep 2018 13:41
Last Modified: 21 Sep 2018 13:41
URI: http://eprints.ugd.edu.mk/id/eprint/20423

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