Android apps can secretly track the location of users

Android apps can secretly track the location of usersNew research conducted by the Northeastern University in the US shows that Android apps can track the location and movement of the user without his knowledge or consent.

The scientists developed their own application for Android, which only used the access to standard phone sensors - gyroscope, accelerometer and magnetometer. Usually they use the software do not need user permission.

Based on the location of the phone when downloading an application from the Google Market and the testimony of the three sensors work program improvised pedometer. The data gyroscope and accelerometer is distinguished whether a user moves the phone in a car or walking. The program then counted 10 standard routes for each user in the experiment and experts compared them with the actual owners of routes phone mounted with the program. In 50 percent of cases one of the 10 most likely routes coincide with the real.

To simulate the path of a person in the 11 cities visited in the experiment, scientists discovered was OpenStreetMap data and indicators imposed on them gyroscope, accelerometer and magnetometer. Over the last determined direction of travel (compass) on the first and second - acceleration and angle.
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