I Can Stalk U site exposes danger of sharing photos online

Graham Cluley
@gcluley

Plenty of people are familiar with the dangers which can be associated with sharing your location online – whether it be by Twitter updates (“I’m at Heathrow airport, Terminal 3, waiting to go on two week’s holiday..”), Foursquare (“I just ousted @gcluley as the mayor of Sophos on @foursquare!”) and the newly launched Facebook Places.

But a new website called I Can Stalk U demonstrates how easy it is to unwittingly reveal your location – just by sharing a digital photo from your smartphone.

Many people may be unaware that lots of smart phones geo-tag photos that they take with information about where they were taken. The location data isn’t visible to the naked eye in the photo, it’s embedded as encoded meta-data inside the picture, alongside information about what type of camera was used, camera settings,…

Read more in my article on the Naked Security website.

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Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, or drop him an email.

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