A Picture'S Worth... presented at Blackhat USA 2007

by Dr. Neal Krawetz,

Tags: Security

Summary : Digital cameras and video software have
made it easier than ever to create high quality pictures and movies.
Services such as MySpace, Google Video, and Flickr make it trivial to
distribute pictures, and many are picked up by the mass media. However,
there is a problem: how can you tell if a video or picture is showing
something real? Is it computer generated or modified? In a world where
pictures are more influencial than words, being able to distinguish fact
from fiction in a systematic way becomes essential. This talk covers
some common and not-so-common forensic methods for extracting
information from digital images. You will not only be able to
distinguish real images from computer generated ones, but also identify
how they were created.