Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"Spoofing Attacks"”.
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A spatio-temporal approach to mitigate automotive radar spoofing attacks
… have made some progress in mitigating such attacks on physical/analog signals of CPS, the current state of the art methodology proposed in PyCRA uses temporal random signals for physical challenge-response authentication. Though this approach immensely enhances the capability of identifying …
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Enhancing Proof-of-Learning Security Against Spoofing Attacks Using Model Watermarking
… isolation, remains vulnerable to sophisticated spoofing attacks that manipulate its subset-verification pathways and tolerance parameters. In parallel, model watermarking has become indispensable for safeguarding intellectual property and detecting unauthorized model usage. Motivated by these …
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From Vulnerability to Resilience: Securing Signal Transmission Against Jamming and Spoofing Attacks
… but its susceptibility to jamming and spoofing attacks remains a major concern. These attacks have the potential to disrupt vital services, mislead devices, and compromise the integrity of wireless systems. Many researchers have addressed anti-jamming and anti-spoofing techniques. …
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Robust GPS-based timing for phasor measurement units based on single-receiver and multi-receiver position-information-aided vector tracking
… interference. Most notably, jamming and spoofing attacks on PMU GPS receivers can pose a risk to the position, velocity, and timing (PVT) solutions. Our goals are to provide robust GPS time transfer for PMUs and to rapidly detect malicious spoofing attacks. We achieve these goals by …
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Risk-resilient GPS-based positioning, navigation, and timing using sensor fusion and multi-agent platforms
… measurement faults, satellite faults, and spoofing attacks. Measurement faults occur when GPS signals are blocked or reflected, especially by tall buildings in urban areas, whereas satellite faults are caused by anomalies in the broadcast satellite ephemeris or clock information. Spoofing …
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Reinforcement Learning for Cybersecurity Risk Assessment of Advanced Air Mobility Systems
… Collision Avoidance System (ACAS). We focus on spoofing attacks targeted at specific AAM agents and develop a computational approach to evaluate the impact of such attacks on the performance of cooperative agents modeled in a Multi-Agent Reinforcement Learning (MARL) framework. Our threat model …
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Physical Layer Security for Wireless Position Location in the Presence of Location Spoofing
… a radio location system against location spoofing, specifically the characterization, analysis, detection, and localization of location spoofing attacks by focusing on fundamental location estimation issues. The objective of this dissertation is four-fold. First, it provides an overview of …
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Biometric Leakage from Generative Models and Adversarial Iris Swapping for Spoofing Eye-based Authentication
… trained on biometric data and explores digital spoofing attacks on iris-based authentication systems representative of AR/VR environments. We first explore how diffusion models trained on biometric data can memorize and leak iris images. Next, we evaluate the effectiveness of Cross-Attention …
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Machine Learning-based GPS Jamming and Spoofing Detection
… sectors has exposed vulnerabilities to malicious attacks, particularly GPS jamming and spoofing. This thesis presents an analysis into detection and mitigation strategies for enhancing the resilience of GPS receivers against jamming and spoofing attacks. The research entails the development of a …
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Security of Critical Cyber-Physical Systems: Fundamentals and Optimization
… has left CPSs vulnerable to many cyber-physical attacks and disruptive events that can utilize the cyber layer to cause damage to both cyber and physical components. Addressing these security and operation challenges requires developing new security solutions to prevent and mitigate the effects …
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Improving the robustness of GPS direct position estimation
… urban environments, while potential jamming and spoofing attacks disrupt GPS time synchronization in critical infrastructures. We propose using Direct Position Estimation (DPE), augmented with additional navigation information, to enable robust GPS receiver operation in challenging scenarios. …
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Defending Against GPS Spoofing by Analyzing Visual Cues
… by billions of people in their daily lives. GPS spoofing is quite a challenging problem nowadays. Existing Anti-GPS spoofing systems primarily focus on expensive equipment and complicated algorithms, which are not practical and deployable for most of the users. In this thesis, we explore the …
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Machine Learning for Intrusion Detection into Unmanned Aerial System 6G Networks
… block intercommunication among nodes by jamming attacks and violating integrity through executing spoofing attacks. This work offers a practical IDS onboard UAV intrusion detection system to detect unintentional interference, intentional interference jamming, and spoofing attacks. Integrating …
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Security and Privacy Analysis of Embedded Wireless Systems
… system is vulnerable to eavesdropping and packet spoofing attacks. The second system, AMR, is a wireless data collection system for utility (gas, water, electric) meters. These systems wirelessly transmit periodic meter reading, allowing a mobile receiver without any proximity requirement to …
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GPS spoofing detection for the power grid network via a multi-receiver hierarchical architecture
… This type of attack, commonly known as GPS spoofing, presents a major concern to our future power grid infrastructure. Indeed, even minor timing manipulations can cause inaccurate power flow representations and corresponding corrective measures, potentially inducing large-scale power …
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Cooperative and Decentralized Defense in Autonomous Vehicle Networks
… susceptible to various cyber threats, including spoofing attacks. Traditional centralized security solutions based on cryptography and authentication are insufficient in providing the necessary scalability and adaptability to effectively protect AVNs due to their extensive and dynamic nature. …
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Integrity and attack-resilience of GPS-based positioning and timing: a Bayesian and measurement fusion approach
… GPS signals are susceptible to external attacks due to their low signal power and unencrypted signal structures. Researchers have shown that GPS Spoofing Attacks (GSAs) are feasible, and GSA for timing is able to alter timing without modifying the positioning solution. Such attacks create …
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GNSS Signal Processing Techniques for Spoofing Resiliency
… navigation performance. One such attack is a spoofing attack where the agent transmits signals with the same signal structure as GNSS signals, but they are modified to produce an incorrect navigation solution. Resiliency to these attacks is important for GNSS navigation. Two methods for GNSS …
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Wireless Network Physical Layer Security with Smart Antenna
… of smart antennas to prevent eavesdropping attacks. We introduce the optimization strategy to design a pair of switched beam patterns that both have high directional gain to the intended receiver. Meanwhile, in all the other directions, the overlap between these two patterns is minimized. …
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Designing Security Defenses for Cyber-Physical Systems
… data injection or modification and impersonation attacks on the ECUs. We propose SIMPLE, a single-frame based physical layer identification for intrusion detection and prevention on such networks. Physical layer identification or fingerprinting is a method that takes advantage of the manufacturing …