Ever heard of EXIF ? Neither had I until recent. EXIF (Exchangeable Image File) is data stored in JPEG and TIFF image files, such as shutter speed, date and time, focal length, exposure compensation, metering pattern, image source, date for edit and if a flash was used a the time a photo was taken.
But EXIF also stores more information than that.
If you’re a fan of the CSI series (or any other crime fighting series), you have undoubtedly seen that they from time to time try to verify if a photo has been altered in any way. What they draw their conclusion on, is the EXIF Data stored in the file. What they don’t tell you is that some equipment also stores your GPS-position which may lead someone to your home adress, phonenumber, income etc.
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