Chapter 15
A nice primer on Steganography:
www.usna.edu/Users/cs/wcbrown/courses/si110AY13S/lec/l29/lec.html
General information, discussions and some methods related to Steganography:
crypto.stackexchange.com/questions/32359/why-does-image-size-increase-after-steganography
stackoverflow.com/questions/13660501/png-file-size-increase-in-lsb-steganography
hackernoon.com/simple-image-steganography-in-python-18c7b534854f
Journal of Information Security, 2016, 7, 152-164 Published Online April 2016 in SciRes.
http://www.scirp.org/journal/jis OR http://dx.doi.org/10.4236/jis.2016.73011
Worked out examples and a short listing of steganographic software
www.garykessler.net/library/steganography.html