Security in the Internet of Things: Information Theoretic Insights

Alex Reznik, Yogendra Shah, Laura Luzzi +1 more

Sita Bounmy, Khampheng Sisavath

In order to strengthen the stability of IoT ecosystems, this study explores the interface between Internet of Things (IoT) security and quantum cryptography. Our study goals included assessing the applicability of quantum key distribution, correcting flaws, and investigating the influence of environmental variables on security. We reveal fascinating insights through experimental research that alter IoT security paradigms. A comparison of the typical key setup durations and data transmission rates across various IoT devices and communication protocols shows how effective quantum cryptography is in speeding up key distribution. This effectiveness fits the changing environment of secure communication technologies. Our vulnerability evaluation also shows that quantum key distribution is a potent defense against weaknesses like man-in-the-middle and replay assaults. It is made clear how contextual factors and security interact, emphasizing the importance of adaptable security measures in line with environmental circumstances. We present a comprehensive methodology that balances security with deployment circumstances by merging this contextual sensitivity with quantum cryptography concepts. Our research points to prospective directions for joint investigation between quantum physicists and IoT developers to close the gap between theoretical promise and actual use. Comprehensive insights will be obtained by scaling the use of quantum cryptography to larger IoT networks and other circumstances, but caution is needed to survive the upcoming quantum computing era. The study's conclusion ignites a paradigm change and pushes the quantum revolution into IoT security. Our research promotes more investigation, innovation, and application as we stand on the brink of a new era, protecting IoT ecosystems in a quantum-secure embrace.

Xin Fan, Yan Huo

With the great-leap-forward development of Internet of Things (IoT), it is extremely important to study secure wireless transmission for IoT systems. A cooperative jamming (CJ) strategy has been extensively studied to enhance physical layer security in IoT systems. However, CJ's secrecy performance has not been well studied in the scenario of collusive eavesdroppers. In this paper, we propose a CJ scheme for IoT systems to fight against multiple passive and collusive eavesdroppers of unknown channel state information. Considering nodes with multi-antenna in an IoT system, we design beamforming vectors to maximize signal-to- interference-plus-noise ratio (SINR) of the wireless link from a controller (transmitter) to an actuator (receiver). Under the worst-case assumption that eavesdroppers can aggregate all signals to enhance their eavesdropping abilities, we derive the closed- form expressions of the secrecy outage probability (SOP) with and without CJ. In addition, we employ a strict mathematical asymptotic analysis to provide insights into the effects of various system parameters on the SOP. Numerical results verify that the CJ scheme can effectively prevent eavesdropping and the effects of system parameters on SOP is consistent with theoretical analytical results.

Yacoub Hanna, Samet Tonyalı, Ricardo Harrilal-Parchment +1 more

Ning Zhang, Dajiang Chen, Feng Ye +2 more

Sujit Biswas, Rajat Subhra Goswami, K. Hemant Kumar Reddy +2 more

Abstract The integration of lattice‐based cryptography principles with Quantum Key Distribution (QKD) protocols is explored to enhance security in the context of Internet of Things (IoT) ecosystems. With the advent of quantum computing, traditional cryptographic methods are increasingly susceptible to attacks, necessitating the development of quantum‐resistant approaches. By leveraging the inherent resilience of lattice‐based cryptography, a synergistic fusion with QKD is proposed to establish secure and robust communication channels among IoT devices. Through comprehensive Qiskit simulations and theoretical analysis, the feasibility, security guarantees, and performance implications of this novel hybrid approach are thoroughly investigated. The findings not only demonstrate the efficacy of lattice‐based QKD in mitigating quantum threats, but also highlight its potential to fortify IoT communications against emerging security challenges. Moreover, the authors provide valuable insights into the practical implementation considerations and scalability aspects of this fusion approach. This research contributes to advancing the understanding of quantum‐resistant cryptography for IoT applications and paves the way for further exploration and development in this critical domain.