The team at NCSU create a tool capable of measuring the weakness in the Android application called "Woodpecker". This tool analyzes the Android application that turned out after investigation can share access to data from one application to another application on the Android smartphone. The team uses eight Android smartphone as a trial, including the Nexus Google, Google Nexus S, Motorola Droid and Droid X.
Four smartphones that use the Android OS received confirmation about the breakdown of their security systems. But not all Android smartphones that data security can be hacked, HTC Legend, HTC Evo 4G, HTC Wildfire S, and Samsung Epic 4G, it can not be penetrated.
At least this can make your Android smartphone users to be more careful in installing an application. Perhaps this happens because the open source operating system.