February 2026
Intermediate to advanced
456 pages
17h 3m
English
Content preview from Digital Forensics, Investigation, and Response 5E, 5th Edition
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CHAPTER SUMMARY
This chapter introduced two complex topics: steganography and cryptography. Steganography is widely utilized to hide data, particularly from forensic examination. As you saw in this chapter, it is easy to implement and has even been used by terrorist organizations for covert communications.
Cryptography is used to systematically scramble information such that it can be unscrambled by use of a key. Scrambled information may be hidden, or hidden information may be scrambled, or steganography or encryption may be used by themselves.
This chapter is meant to provide a general overview of cryptography. Any truly good forensic examiner should be very familiar with the historical methods presented and at least have a basic understanding ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.