Location services can be useful, but you may be exposing more than you think. Sharon Vaknin explains the security risk of geotagging and how to disable it.
Before you tweet a photo of your delicious, homemade dish, check your settings — your phone might be embedding coordinates in your photos, leaving your location open to prying eyes.
Using the built-in GPS, phone camera applications can embed the latitude and longitude of a location in photos. Coordinates aren't shown in your photo library, but if you post a geotagged pic online, someone with an evil motive can easily extract the photo's EXIF data and find out where you live, eat, or hang out.
Creepy, right? This is a big security risk, especially for parents who post photos of their children online. So if you want to disable geotagging on your Android, iPhone, or BlackBerry phone, check out this how-to.
And if you need to delete geotagging data from already taken JPEG photos, check out the ExifCleaner batch utility for Windows.