Definition of Position Signal spoofing

Position signal spoofing occurs when a radio transmitter near a target interferes with the genuine satellite signals being transmitted. By utilizing a stronger radio transmitter, attackers can override the weaker satellite signals, sending false coordinates and information to the receiver. In the agri-food industry, where georeferenced data is crucial, SPACE4GREEN offers a solution to verify the authenticity and immutability of these signals, ensuring the integrity of geolocation information. By leveraging Galileo OSNMA, SPACE4GREEN provides a robust shield against falsified data.

Types of Position Signal Spoofing Attacks

i) Synchronous and Asynchronous Spoofing
Synchronous spoofing refers to when a spoofer’s fake signals are in sync with the genuine satellite signals, while asynchronous spoofing involves the use of delayed or manipulated signals. These types of attacks can pose significant threats to georeferenced data accuracy and reliability, potentially leading to severe consequences in the agri-food industry.

ii) Meaconing Attacks
Meaconing attacks involve the malicious rebroadcasting of genuine satellite signals to deceive receivers and users. This form of attack is particularly concerning in the agricultural sector, as falsified geolocation data can lead to the mismanagement of resources, inaccurate crop monitoring, and compromised decision-making. SPACE4GREEN recognizes the risks associated with meaconing attacks and offers solutions to mitigate the vulnerabilities.

Fake GPS Apps

Fake Position Signal apps represent a straightforward method of spoofing a smartphone’s location by replacing the actual location provided by Android positioning libraries. While these apps may appear user-friendly and accessible, they can be countered through simple means. Users must remain vigilant and implement necessary precautions to protect themselves from the misuse of geolocation data.

Simulated Fake Satellite Signals

Simulating fake satellite signals involves the use of low-cost radio transmitters or more advanced and configurable SDR (Software-Defined Radio) equipment to transmit falsified signals. This method of spoofing can be more complex yet highly effective, potentially exploiting vulnerabilities in various smartphone apps that rely on satellite signal positioning. SPACE4GREEN acknowledges these risks and emphasizes the need for robust security measures to combat simulated signal spoofing.

The Role of SPACE4GREEN in Protecting Against Spoofing Attacks

SPACE4GREEN is at the forefront of safeguarding georeferenced data in the agri-food industry. By leveraging cutting-edge technologies such as Blockchain and Galileo OSNMA, SPACE4GREEN ensures the verification, authenticity, and immutability of satellite signals used by smartphones. By relying on the advanced features of Galileo OSNMA, SPACE4GREEN provides farmers with a powerful shield against falsified identities, geolocations, and timestamps, ultimately preventing the exploitation of valuable data.


The potential manipulation of georeferenced data through fake Position Signal apps and simulated fake satellite signals is a significant concern that can undermine decision-making processes. However, with solutions like SPACE4GREEN, which uses Blockchain and the power of EU space technologies such as Galileo OSNMA services, farmers can effectively protect their geolocation information, ensuring the integrity and reliability of their operations.

In today’s ever-evolving modern landscape, it’s vital for farmers to remain proactive and adopt robust security measures to protect their geolocation information from threats. That’s why we need to raise awareness about the technological innovations brought forward and made available through Horizon Europe projects like SPACE4GREEN.