4
votes
1answer
196 views

Approaching a steganalysis challenge

I am currently doing one of the Honeynet.org challenges, specifically the 13th forensic challenge dealing with steganography. Several PNGs have been provided and participants are to find and extract ...
35
votes
6answers
22k views

Detecting Steganography in images

I recently came across an odd JPEG file: Resolution 400x600 and a filesize of 2.9 MB. I got suspicious and suspected that there is some additional information hidden. I tried some straight forward ...