DEFCON - Dynamic Testbed for secur open service navigation

The objective of this project is to design, implement and validate four authentication schemes which can provide secure GNSS-based navigation to open service users. The authentication schemes will provide the end-users the following capabilities:

  • Navigation Message Authentication (NMA) to provide navigation data source authenticity and data integrity validation.
  • Autonomous Spoofing Protection (ASP) to provide protection against spoofing and replay attacks.


Contact: Elias Gkougkas, Markel Arizabaleta Diez
Funded by: European Space Agency (ESA)
Cooperation: Qascom S.r.l (Italy), Cillian O'Driscoll Consulting Ltd. (Ireland), Queen's University Belfast (United Kingdom)
Duration: June 2018 - June 2019