- A new article named Crash course has been added in chapter 2
- Removed needles empty lines in the Practical case: Secura Grand Slam CTF “Easy Reverse”
- Altered the approach for chapter 3 (File types). The new approach includes both the technical information as well as a step-by-step approach for problems. The old approach only focused on the technical aspect. Therefore, the articles within the chapter have been renamed, as well as the chapter itself.