Latest posts
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Advanced Spoofing Detection Methodologies for Civilian GNSS Receivers
Advanced Spoofing Detection Methodologies for Civilian GNSS Receivers Article #3 of the GNSS Security Series | March 2026 1. Introduction: The Spoofing Crisis Escalates In April 2024, a maritime incident in the Eastern Mediterranean sent shockwaves through the navigation community. A single spoofing attack simultaneously displaced 117 vessels’ reported positions to Beirut Airport—a coordinated deception
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Beyond GPS: eLoran and Alternative PNT Solutions for Critical Infrastructure
When GPS fails, what’s Plan B? For most civilian operators, the answer is uncomfortably vague. But as GPS jamming and spoofing incidents surge into the thousands monthly, alternative Positioning, Navigation, and Timing (PNT) solutions are moving from niche research to operational necessity. This article examines the leading alternatives to GPS—focusing on eLoran, the terrestrial backup
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GPS Jamming as a Weapon of War: How Electronic Warfare Went Mainstream
In the annals of military history, new weapons typically follow a predictable pattern: experimental deployment, limited use, gradual adoption, and finally mainstream integration. GPS jamming has compressed this timeline into less than a decade. From the Russian invasion of Ukraine in 2022 to the Iran-Israel conflict in 2026, GPS interference has evolved from a niche
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GNSS Spoofing Case Studies: 5 Real-World Incidents That Changed Everything
Theory is one thing. Reality is another. While technical papers discuss signal structures and authentication protocols, real-world GNSS spoofing incidents tell a different story—one of ships appearing at airports, drones captured by adversaries, and commercial aircraft flying blind through electronic warfare zones. This article examines five landmark GNSS spoofing cases that fundamentally changed how we
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Defending Against GNSS Spoofing: 5 Technologies That Can Save Your Navigation
In our previous article, we examined the alarming escalation of GNSS spoofing and jamming attacks in 2025-2026. With ~1,000 daily incidents globally and real-world disasters like the Adalynn-Front Eagle tanker collision, the question is no longer if your GNSS signal will be compromised—but when. But here’s the good news: we’re not defenseless. A new generation
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GNSS Spoofing in 2025-2026: The Escalating Global Navigation Crisis
Global Navigation Satellite Systems (GNSS) have become the invisible backbone of modern civilization. But in 2025-2026, this critical infrastructure faces an unprecedented threat: GNSS spoofing and jamming attacks have escalated from isolated incidents to a daily global crisis. The Numbers: A Sobering Reality ~1,000 daily incidents of GPS interference globally in 2025 (SkAI Data Services)
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GNSS Signal Structure Vulnerabilities: A Deep Dive into GPS, Galileo, and BeiDou
Abstract: Understanding GNSS signal structure is fundamental to comprehending spoofing vulnerabilities. This article provides a technical deep-dive into the signal architectures of major GNSS constellations—GPS, Galileo, and BeiDou—analyzing the specific characteristics that enable spoofing attacks. We examine modulation schemes, spreading codes, navigation message structures, and the security implications of design decisions made decades ago. .
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GNSS Spoofing Primer: Fundamentals and the Threat Landscape
Abstract: Global Navigation Satellite Systems (GNSS) have become indispensable infrastructure for modern society, underpinning everything from consumer navigation to financial transactions and critical timing for power grids. However, the inherent fragility of GNSS signals—weak, unencrypted, and predictable—presents significant security risks. This article provides a comprehensive introduction to GNSS spoofing, exploring its underlying principles, the threat