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In a spoofing attack, a malicious actor impersonates a legitimate user to access or manipulate data without authorization. The vulnerability of cryptographic security mechanisms to compromised user credentials motivates spoofing attack…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Tien Ngoc Ha , Daniel Romero

With the rise of location-based service (LBS) applications that rely on terrestrial and satellite infrastructures (e.g., GNSS and crowd-sourced Wi-Fi, Bluetooth, cellular, and IP databases) for positioning, ensuring their integrity and…

Cryptography and Security · Computer Science 2025-11-03 Wenjie Liu , Panos Papadimitratos

The threat of signal spoofing attacks against GNSS has grown in recent years and has motivated the study of anti-spoofing techniques. However, defense methods have been designed only against specific attacks. This paper introduces a general…

Signal Processing · Electrical Eng. & Systems 2024-05-24 Laura Crosara , Francesco Ardizzon , Stefano Tomasin , Nicola Laurenti

Global Positioning System (GPS) is used ubiquitously in a wide variety of applications ranging from navigation and tracking to modern smart grids and communication networks. However, it has been demonstrated that modern GPS receivers are…

Cryptography and Security · Computer Science 2016-03-18 Aanjhan Ranganathan , Hildur Ólafsdóttir , Srdjan Capkun

Global Navigation Satellite Systems (GNSS) are critical for Positioning, Navigation, and Timing (PNT) applications. However, GNSS are highly vulnerable to spoofing attacks, where adversaries transmit counterfeit signals to mislead…

Machine Learning · Computer Science 2025-08-26 Abyad Enan , Mashrur Chowdhury , Sagar Dasgupta , Mizanur Rahman

Global Navigation Satellite Systems (GNSS) are integrated into many devices. However, civilian GNSS signals are usually not cryptographically protected. This makes attacks that forge signals relatively easy. Considering modern devices often…

Cryptography and Security · Computer Science 2025-05-13 Wenjie Liu , Panos Papadimitratos

Global Positioning System (GPS) spoofing involves transmitting fake signals that mimic those from GPS satellites, causing the GPS receivers to calculate incorrect Positioning, Navigation, and Timing (PNT) information. Recently, there has…

Cryptography and Security · Computer Science 2025-09-30 Mathilde Durieux , Kayla D. Taylor , Laxima Niure Kandel , Deepti Gupta

The availability of cheap GNSS spoofers can prevent safe navigation and tracking of road users. It can lead to loss of assets, inaccurate fare estimation, enforcing the wrong speed limit, miscalculated toll tax, passengers reaching an…

Cryptography and Security · Computer Science 2023-10-24 Aneet Kumar Dutta , Sebastian Brandt , Mridula Singh

Modern positioning relies on radio signals from global navigation satellite systems (GNSS). Their low receive power renders these radio signals susceptible to jamming attacks, in which malicious transmitters emit strong interference to…

Signal Processing · Electrical Eng. & Systems 2025-07-25 Jonas Elmiger , Gian Marti , Christoph Studer

This paper examines the Galileo Open Service Navigation Message Authentication (OSNMA) and, for the first time, discovers two critical vulnerabilities, namely artificially-manipulated time synchronization (ATS) and interruptible message…

Cryptography and Security · Computer Science 2025-01-17 Haiyang Wang , Yuanyu Zhang , Xinghui Zhu , Ji He , Shuangtrui Zhao , Yulong Shen , Xiaohong Jiang

Global Navigation Satellite Systems (GNSS) are fundamental in ubiquitously providing position and time to a wide gamut of systems. Jamming remains a realistic threat in many deployment settings, civilian and tactical. Specifically, in…

Signal Processing · Electrical Eng. & Systems 2025-03-27 Marco Spanghero , Filip Geib , Ronny Panier , Panos Papadimitratos

Location information is critical to a wide-variety of navigation and tracking applications. Today, GPS is the de-facto outdoor localization system but has been shown to be vulnerable to signal spoofing attacks. Inertial Navigation Systems…

Cryptography and Security · Computer Science 2018-08-13 Sashank Narain , Aanjhan Ranganathan , Guevara Noubir

It is well-known that GPS is vulnerable to signal spoofing attacks. Although several spoofing detection techniques exist, they are incapable of mitigation and recovery from stealthy attackers. In this work, we present SemperFi, a single…

Cryptography and Security · Computer Science 2021-05-06 Harshad Sathaye , Gerald LaMountain , Pau Closas , Aanjhan Ranganathan

The rapid development of technology has led to an increase in the number of devices that rely on position, velocity, and time (PVT) information to perform their functions. As such, the Global Navigation Satellite Systems (GNSS) have been…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Leatile Marata , Juhani Sankari , Eslam Eldeeb , Mikko Valkama , Elena Simona Lohan

The paper presents a novel approach of spoofing wireless signals by using a general adversarial network (GAN) to generate and transmit synthetic signals that cannot be reliably distinguished from intended signals. It is of paramount…

Signal Processing · Electrical Eng. & Systems 2019-05-09 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu

As the worlds predominant navigation system GPS is critical to modern life, finding applications in diverse areas like information security, healthcare, marketing, and power and water grid management. Unfortunately this diversification has…

Signal Processing · Electrical Eng. & Systems 2020-05-19 Mahsa Foruhandeh , Abdullah Z. Mohammed , Gregor Kildow , Paul Berges , Ryan Gerdes

The limited or no protection for civilian Global Navigation Satellite System (GNSS) signals makes spoofing attacks relatively easy. With modern mobile devices often featuring network interfaces, state-of-the-art signals of opportunity (SOP)…

Cryptography and Security · Computer Science 2025-06-17 Wenjie Liu , Panos Papadimitratos

Global Navigation Satellite Systems (GNSS) provide standalone precise navigation for a wide gamut of applications. Nevertheless, applications or systems such as unmanned vehicles (aerial or ground vehicles and surface vessels) generally…

Cryptography and Security · Computer Science 2025-03-27 Marco Spanghero , Panos Papadimitratos

The Global Navigation Satellite System (GNSS) is increasingly vulnerable to radio frequency interference (RFI), including jamming and spoofing, which threaten the integrity of navigation and timing services. This paper presents a…

Signal Processing · Electrical Eng. & Systems 2025-09-18 Argyris Kriezis , Yu-Hsuan Chen , Dennis Akos , Sherman Lo , Todd Walter

Global Navigation Satellite System (GNSS) provides Positioning, Navigation, and Timing (PNT) services for autonomous vehicles (AVs) using satellites and radio communications. Due to the lack of encryption, open-access of the coarse…

Robotics · Computer Science 2022-03-10 Sagar Dasgupta , Mizanur Rahman , Mhafuzul Islam , Mashrur Chowdhury