Re: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread Sarad AV
hi, Tyler Durden wrote: 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. Yes, there should be a lot of noise in the image, some way or the other. If you

Re: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread Eugen Leitl
On Tue, Feb 01, 2005 at 11:21:31PM -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 Stego doesn't need to

RE: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread J.A. Terranson
On Wed, 2 Feb 2005, Alan wrote: 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. Yeah, but it doesn't make for great story copy or funding proposals ;-) -- Yours, J.A. Terranson [EMAIL PROTECTED]

RE: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread 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

RE: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread Steve Schear
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

Re: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread AW
Just herd of this http://www.spammimic.com/ AW Alan wrote: On Tue, 2005-02-01 at 23:21 -0800, Steve Schear wrote: 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.