The Internet of Things (IoT), refers to all the infrastructures and technologies put in place to operate various objects through an Internet connection, it is about connected objects. One of the most frequently used IoT application protocols is the Constrained Application Protocol (CoAP) that matches restricted computers. CoAP is a solution for in-regulated data formats and a high security to protect government-related data from cyber-attacks. CoAP advises using DTLS (Datagram Transport Layer Security) to provide robust security of the UDP-based TLS edition. Initially, DTLS was planned for conventional networks. Therefore, a heavyweight solution is created by moving the protocols over the resource-limited computers. Unfortunately, DTLS has some security issues regarding the management of keys and its vulnerability against common cyber-attacks especially Denial of Service (DoS). Thus, a security approach is important to secure CoAP-based IoT infrastructures from these attacks. In our work, we propose to secure IoT data using enhanced DTLS protocol over CoAP. The enhancement DTLS make it possible to prevent DoS and Distributed DoS attacks. In our proposition, we apply a thrusted party (TP) to which we delegate the process of the authentication and authorization of clients. In addition, the TP is responsible of the verification of IP addresses in order to mitigate attackers from flooding the network with fake hello messages. The goal of our work was achieved since our enhanced protocol proves its security and efficiency in detecting malicious and harmful traffic. In addition, the protocol was able to identify DoS traffic behavior in order to mitigate this attack. To the best of our knowledge, the proposed protocol has only a percentage of 6.45% false negative rates and 0% of false positives rates when filtering the traffic
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7 February 2024
16TH INTERNATIONAL ENGINEERING AND COMPUTING RESEARCH CONFERENCE (EURECA)
24 November 2021
Subang Jaya, Malaysia
Research Article|
February 07 2024
Data protection in IoT using CoAP based on enhanced DTLS
A. Sara;
A. Sara
a)
1
Jouf University, College of Computer and Information Sciences
, Sakakah, Saudi Arabia
a)Corresponding author: [email protected]
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a)Corresponding author: [email protected]
AIP Conf. Proc. 2729, 040003 (2024)
Citation
A. Sara, J. Randa; Data protection in IoT using CoAP based on enhanced DTLS. AIP Conf. Proc. 7 February 2024; 2729 (1): 040003. https://doi.org/10.1063/5.0194823
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