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Radon gas has been declared a human carcinogen by the United States Environmental
Protection Agency (USEPA) and the International Agency for Research on Cancer (IARC). Several
studies carried out in Spain highlighted the high radon concentrations in several regions, with Galicia
(northwestern Spain) being one of the regions with the highest radon concentrations. The objective
of this work was to create a safe and low‐cost radon monitoring and alert system, based on open
source technologies. To achieve this objective, the system uses devices, a collection of sensors with a
processing unit and a communication module, and a backend, responsible for managing all the
information, predicting radon levels and issuing alerts using open source technologies. Security is
one of the largest challenges for the internet of things, and it is utterly important in the current
scenario, given that high radon concentrations pose a health risk. For this reason, this work focuses
on securing the entire end‐to‐end communication path to avoid data forging. The results of this work
indicate that the development of a low‐cost, yet secured, radon monitoring system is feasible,
allowing one to create a network of sensors that can help mitigate the health hazards that high radon
concentrations pose.
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.: SABIA :. Sistemas Adaptativos y Bioinspirados en Inteligencia Artificial