The researchers produced modified versions of 47 of the top 100 Android apps to prove their analytic technique.

The communication channels in the Android apps that their tools recognized as covert were disabled.

Similarly, the popular Candy Crush Saga game appeared to engage in no covert communication.

Your Android apps might be sending unnecessary hidden data and you may not know

This doesnt mean that the issue is Android-specific or the data itself is suspicious.

Some of it may be anticipatory, in an attempt to guard against interruptions in Internet connectivity.

These titles dont say what they are doing with these communications which becomes more of a concern.

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Resource:MIT

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source: www.techworm.net