[funsec] Image forensics
ge at linuxbox.org
Mon Dec 28 02:43:44 CST 2009
On 12/28/09 4:21 AM, Rob, grandpa of Ryan, Trevor, Devon & Hannah wrote:
> An interesting analysis of a graphic recently used by Victoria's Secret in their
> advertising. This gives chapter and verse of the techniques used, and results
> obtained, demonstrating the ability to determine if an image has been altered, and
> even which parts of an image have been modified, and how.
> I find this particularly interesting because of the apparently widely held belief that
> steganography is "undetectable" without comparision to the original image. Most
> of the "Photoshop disasters" are glaringly obvious to the naked eye. As this
> demonstrates, analysis and detection of modification is easily accomplished, even
> when the differences are not apparent to the human eye. (Well, except for the
> straps. That was pretty stupid ...)
I just saw this today and really liked it.
For those who want to spot things with their own eyes, and have a good
laugh, check out the Photoshop Disasters blog:
> ====================== (quote inserted randomly by Pegasus Mailer)
> rslade at vcn.bc.ca slade at victoria.tc.ca rslade at computercrime.org
> I live in my own little world, but it's OK, they know me here.
> victoria.tc.ca/techrev/rms.htm blog.isc2.org/isc2_blog/slade/index.html
> http://twitter.com/NoticeBored http://twitter.com/rslade
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ge at linuxbox.org.
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