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vendredi 11 septembre 2015

Fitbit/Jawbone/... hack



Hi,

With our smartphones and apps we already send quite a lot of data to third parties. :rolleyes:

I am interested by a wearable device such as a Fitbit or Jawbone (to mention only popular ones) to track my daily activities but I don't want to send more data to more third parties. In addition, if one of these companies decides to stop some products or shut down their servers, these devices would probably stop working.

As they all provide an Android app to sync the smartphone and the device to fetch the data and display it, I am wondering why it would be requested to send data to their servers. Does anyone know if these app is working properly without an active connection to these servers? Is there any way to block these connections without a rooted phone? If rooted, do you think updating the hosts file would be enough to block connection?

Aside it, I am wondering if it would be possible to redirect this traffic to a personal server to fill a personal database? Is the traffic secured, via SSL for example, between the app and the server? We can imagine creating an open source project to be installed on our personal RaspberryPi (for example) to display data in a more friendly way on desktop without giving access to private data to big companies.



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