Google: Less than 1% of Androids had security issues in 2014
For the first time, Google has issued its own analytical report on security on Android. Data were collected daily throughout 2014 and analyzed by the Android platform security team. Less than 1% of devices running Google's operating system had malicious applications installed during the time period examined. The even smaller number when we look at the amount of apps installed inside the Play Store: 0.15%.