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Unmanned Aerial Vehicles (UAVs) pose significant security risks to critical infrastructures, potentially leading to accidents, attacks, or illicit surveillance. Robust prevention measures are essential around strategic facilities. The navigation and control of UAV systems fundamentally depend on the Global Positioning System (GPS). Consequently, jamming or spoofing the GPS navigation system can significantly hinder the control and direct UAVs to their specified destinations. This paper introduces a novel hybrid spoofing/spot jamming system aimed at fortifying security against UAV threats.
This study aims to propose and evaluate the efficiency of a hybrid spoofing/spot-jamming system to bolster security against UAVs.
Leveraging a Software-Defined Radio (SDR) and complementary software tools, we generated spoofing and jamming signals targeting the civilian-use signals of GPS satellites at the L1 frequency (1575.42 MHz), incorporating the Coarse Acquisition (C/A) code. The system enables flexible timing adjustments within the navigation message to simulate fictitious locations.
Through comprehensive testing involving multiple commercial UAVs across three distinct scenarios—reactive spoofing, proactive spoofing, and spot jamming followed by spoofing—the experiments demonstrated superior efficacy in proactive spoofing and spot jamming followed by GPS spoofing, compared to reactive spoofing alone.
Proactive spoofing and spot jamming, followed by GPS spoofing, emerge as more effective strategies for countering UAV threats, offering enhanced security measures for critical infrastructures vulnerable to UAV intrusions. This hybrid approach holds promise in augmenting existing defense mechanisms against evolving UAV-based security risks.
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