I've posted it elsewhere in the comments but Dr. Andrew Ker at Oxford Uni runs a course on steganography [1]. It's worth a read as he covers several different m

I've posted it elsewhere in the comments but Dr. Andrew Ker at Oxford Uni runs a course on steganography [1]. It's worth a read as he covers several different methods for stego and then methods for detecting said methods. [1]https://www.cs.ox.ac.uk/teaching/materials15-16/advsec/advsec-notes-ch01234.pdf https://www.cs.ox.ac.uk/teaching/materials15-16/advsec/advse...