How you can keep your smartphone secure?

97% of tested apps inappropriately accessed private information

A critical component of your Android smartphone is the permissions system. When you install an app, it notifies you of what it would like to gain access to. You can then install the app, or not. Unfortunately, this system puts a lot of responsibility on the users to know whether these access requests are appropriate.
Free web services companies like Google, Twitter, Facebook and others provide you with a free service.In return for information about you. This information is then used to target ads. Some consider this fair trade but privacy campaigners are becoming increasingly concerned.

1.Prevent apps and services from keeping tabs on you.

Sharing images taken from your smartphone reveal a lot of information about you ...