“For starters, the company says the worldwide rate of Android malware installs decreased by nearly 50% throughout 2014. And over the entire year, fewer than 1% of all Android devices contained any type of harmful application at all. Of the devices that only installed applications from the Google Play Store, fewer than .15% contained a harmful app.
In addition, the company explains that over 1 billion devices are protected by its Verify Apps service, which now scans over 200 million devices per day. Lastly, the Android team and all affiliates responded to 79 externally reported security issues overall, and over 25,000 applications in the Play Store were updated following security notifications from Google.”
Source: Android malware installs decreased by nearly 50% in 2014, says Google