Researchers Combat Terrorists by Rooting Out Hidden Messages

[Alan]

On Tue, 2005-02-01 at 23:21 -0800, Steve Schear wrote:
> At 02:07 PM 2/1/2005, Tyler Durden wrote:
> 
> >Counter-stego detection.
> >
> >Seems to me a main tool will be a 2-D Fourier analysis...Stego will 
> >certainly have a certain "thumbprint", depending on the algorithm. Are 
> >there certain images that can hide stego more effectively? IN other words, 
> >these images should have a lot of spectral energy in the same frequency 
> >bands where Stego would normally show.
> 
> Images that ideal for hiding secret messages using stego are those that by 
> default contain stego with no particular hidden content.  A sort of Crowds 
> approach to stego.

If you really want to send secret messages, just send it in the chaff in
spam.  Everyone is programmed to ignore it or filter it out.

-- 
"When a student reads in a math book that there are no absolutes,
suddenly every value he's been taught is destroyed. And the next thing
you know, the student turns to crime and drugs." - Mel Gabler - Censor