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Table 1 Details of the collected data

From: Evaluating smartphone-based dynamic security questions for fallback authentication: a field study

Data Details of collected data
Call Type (outgoing, incoming), duration, name of the person, time
SMS Type (sent, received), receiver/sender name, length of SMS message, time
App usage App name, package name, duration, time
Music Track name, artist, album, duration, time
Physical activity Type (walking, running, in vehicle, on bicycle), confidence level, duration, time
Battery charging Type of power connection (AC, USB), duration, time
Location Latitude, longitude, duration, time, accuracy (i.e., the expected error bound)