The Metasploit Framework has long been one of the tools most widely used by information security pro- fessionals, but for a long time little documentation existed aside from the source code itself or comments on blogs. That situation changed significantly when Offensive-Security developed its online course, Meta- sploit Unleashed. Shortly after the course went live, No Starch Press contacted us about the possibly of creat- ing a book to expand on our work with Metasploit
Unleashed.