Your task is to do a search on the Internet to see how easy it is to locate/download programs that will perform activities such as ping sweeps / port scans, password cracking, bruteforce attacks on web services (e.g., mysql) and general hacking tools. Please provide the name of one tool for each of the aforementioned categories and briefly explain them in your own words (i.e., what these tools do and how they affect security (no copy+paste!)).

IN 2 or 3 pages and it should not be found in palagrisam.