Privacy Aura for Transparent Authentication on Multiple Smart Devices

Nowadays, users carry multiple connected devices such as a smartphone, laptop, connected watch. . . . Security constraints limit user’s usability especially when using all of them intensively during the day (social media, work). In this paper, we propose the privacy Aura concept corresponding to the circle of trust in the neighborhood of each smart device to facilitate user authentication. Many data (phone calls habits, biometrics, localization) can be collected to realize a transparent and privacy compliant authentication on each device. The confidence on user authentication on each device can be transferred to another one if it is located in the same Aura. This is the main contribution of the paper. We show through illustrations the benefit of the proposed