I&#x27;ve posted it elsewhere in the comments but Dr. Andrew Ker at Oxford Uni runs a course on steganography [1]. It&#x27;s worth a read as he covers several different methods for stego and then methods for detecting said methods.<p>[1]<a href="https:&#x2F;&#x2F;www.cs.ox.ac.uk&#x2F;teaching&#x2F;materials15-16&#x2F;advsec&#x2F;advsec-notes-ch01234.pdf" rel="nofollow">https:&#x2F;&#x2F;www.cs.ox.ac.uk&#x2F;teaching&#x2F;materials15-16&#x2F;advsec&#x2F;advse...</a>