In pictures: 8 essential Android security apps

A DIY guide to securing Android-based devices

Antivirus Free

Developer: Creative Apps Price: Free

This is a popular antivirus application that has been downloaded more than 500,000 times and has received an average rating of four-and-a-half stars from more than 12,000 users on the Android Market. It scans applications that you've already installed onto your device and cross checks them with its own reference database of known malicious applications. Essentially, it's good for detecting malicious applications that AppScan let slip through its fingers.

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