Watch what information your new apps request. The eSecurity Planet website reports that in 2011, 28 percent of Android apps wanted your phone's GPS location and 7.5 percent accessed stored contact information. Your apps have to request permission before accessing the data, so if you can't think of a reason a new app needs the information, don't authorize your Android to share.
2Check your bill. Some viruses, rather than stealing data, play tricks, such as directing your Android to send masses of texts to expensive premium numbers. If you notice your texting minutes and costs suddenly spike upward for no good reason, that's a warning sign you've been hacked.
3Install protective programs to sweep your phone and detect malware. There are several free programs on the market and more on the way, though because your Android has limited storage space, using the programs may slow down your device.
Some hackers have created malware that looks exactly like an Android antivirus program. Only download such security programs from a reliable source.
To protect against hackers, apply basic IT security principles when using your Android. Log off websites when you finish visiting them; be careful about visiting questionable websites or opening suspicious email; and require PINs or passwords to access sensitive data.
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