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Assessment of Fitness Tracker Security: A Case of Study

University Carlos III de Madrid, Avda, de la Universidad 30, 28911 Leganés, Spain
Alumni University Carlos III of Madrid, 28911 Madrid, Spain
Author to whom correspondence should be addressed.
Currently supported by an Alexander von Humboldt fellowship at Universität Mannheim.
Presented at the 12th International Conference on Ubiquitous Computing and Ambient Intelligence (UCAmI 2018), Punta Cana, Dominican Republic, 4–7 December 2018.
Proceedings 2018, 2(19), 1235;
Published: 26 October 2018
(This article belongs to the Proceedings of UCAmI 2018)
PDF [2151 KB, uploaded 26 October 2018]


The wearable industry has experienced a notable growth over the last decade, especially in fitness or e-health trackers. These trackers bring new functionalities that require collecting a great amount of sensitive information about the user. This fact has made fitness trackers the target of deliberate attacks, e.g., eavesdropping, unauthorized account access, fake firmware update, and so on. For this reason, this paper describes a vulnerability study on one of the most popular fitness trackers in 2017, together with the mobile application associated to the tracker. The study results show what vulnerabilities of the communications among agents (i.e., wearable device, mobile application and server) could put at risk users sensitive information and privacy.
Keywords: fitness tracker; wearable devices; security vulnerabilities fitness tracker; wearable devices; security vulnerabilities
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Mendoza, F.A.; Alonso, L.; López, A.M.; And Patricia Arias Cabarcos, D.D.S. Assessment of Fitness Tracker Security: A Case of Study. Proceedings 2018, 2, 1235.

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