![]() ![]() In the latter category was Cristina Parker of El Paso, who sells appliances part-time at Kmart and also manages social media for small companies. Instructions on how to disable the geotagging feature of an Android phone. The site displays a real-time stream of geotagged photos posted on Twitter the person who posted the photo also gets a notification via Twitter. , developed by the security consultants Larry Pesce of the NWN Corporation in Waltham, Mass., and Ben Jackson of Mayhemic Labs in Boston, uses a more direct approach to warning about the potential dangers of geotags. “Our intent is not to show how it’s done,” he said, “but raise awareness so people can understand their devices and turn off those options if they want to.” Sommer said, “you can easily find out where people live, what kind of things they have in their house and also when they are going to be away.” The paper provides three examples of so-called cybercasing that use photos posted on Twitter and Craigslist and a homemade video on YouTube.īy looking at geotags and the text of posts, Mr. He and a colleague, Robin Sommer, wrote a paper, “ Cybercasing the Joint: On the Privacy Implications of Geotagging,” which they presented on Tuesday at a workshop in Washington during the Advanced Computing Systems Association’s annual conference on security. “Any 16 year-old with basic programming skills can do this,” said Gerald Friedland, a researcher at the International Computer Science Institute at the University of California, Berkeley. There are also pictures of people at their friends’ houses or at the Starbucks they visit each morning.īy downloading free browser plug-ins like the Exif Viewer for Firefox (/en-US/firefox/addon/3905/) or Opanda IExif for Internet Explorer (/en/iexif/), anyone can pinpoint the location where the photo was taken and create a Google map. Others reveal expensive cars, computers and flat-screen televisions. Many of the pictures show people’s children playing in or around their homes. ![]() Their lectures and papers demonstrate the ubiquity of geotagged photos and videos on Web sites like Twitter, YouTube, Flickr and Craigslist, and how these photos can be used to identify a person’s home and haunts. The Web site provides step-by-step instructions for disabling the photo geotagging function on iPhone, BlackBerry, Android and Palm devices.Ī person’s location is also revealed while using services like Foursquare and Gowalla as well as when posting to Twitter from a GPS-enabled mobile device, but the geographical data is not hidden as it is when posting photos.Ī handful of academic researchers and independent Web security analysts, who call themselves “white hat hackers,” have been trying to raise awareness about geotags by releasing studies and giving presentations at technology get-togethers like the Hackers On Planet Earth, or Next HOPE, conference held last month in New York.
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