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Countering GNSS Spoofing: Innovations for IoT Security
- The integration of IoT and GNSS technology is pivotal for various sectors such as smart cities, autonomous vehicles, agriculture, and supply chain.
- Challenges arise due to the increasing risks associated with GNSS disruption by spoofing and jamming attacks.
- Spoofing involves generating false GNSS signals to deceive receivers, impacting timing and positioning data.
- Jamming attacks overpower GNSS receivers with strong signals, easier to detect but still disruptive.
- Spoofing attacks, historically limited to military, are now more accessible with low-cost technology.
- Commercial sectors like aviation and shipping are increasingly targeted by spoofing attacks, posing safety risks.
- Anti-spoofing technologies focus on signal anomaly detection, cryptographic authentication, and redundancy.
- Mitigation techniques include Receiver Autonomous Integrity Monitoring (RAIM) and signal encryption.
- Ongoing challenges include cost, scalability of anti-spoofing solutions, and the evolving nature of attacks.
- Developments like the Galileo Smart Traceability Anti-spoofing project and AI integration are addressing the evolving threat landscape.
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