Low-Cost Embedded Hardware for RF Jamming Detection in IIoT Environments

• Patrícia R. Araújo UNIFEI
• Décio R. M. Faria UNIFEI
• Raul G. O. Bortoloto UNIFEI
• Raphael C. S. Machado Clavis Information Security
• Otávio S. M. Gomes UNIFEI

DOI: https://doi.org/10.5753/sbseg_estendido.2026.27085

Resumo

RF jamming attacks compromise the availability of wireless industrial systems regardless of the authentication and encryption state, representing a cyberattack vector capable of inducing operational failures that are difficult to detect. Existing approaches present limitations in complexity, cost, or integration that hinder their adoption in resource-constrained embedded systems. In this context, this work presents a low-cost embedded device for jamming detection, implemented for systems operating at 13.56 MHz or 433 MHz, with a focus on IIoT environments. The prototype was validated on a test bench with a maximum detection latency of 10.24 ms, enabling its use in environments with restricted operational budgets.

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