This executive summary includes: a glimpse of how Google services protect the Android ecosystem, an overview of new security measures that were introduced in 2015, as well as our work with Android partners and generally with the community of security researchers.

Overall, potentially malicious apps were installed on less than 0.15% of the devices, refer the Apps only from Google Play.

Google Play Verify Apps service protects these users, and Google is able to improve by over 50% the effectiveness of warnings of potentially harmful apps by Verify apps.

About the Android security patch level you can check and make sure that your device works with the latest security updates.

In August, Google launched our monthly Public Security Update Program in the Android Open Source Project and a life cycle of security updates for Nexus devices.