Also see password munging - Password munging is the art of changing a word that is easy to remember until it becomes a strong password.
In computing, the term munge (pronounced ) refers to the practice of creating a strong, secure password by substituting characters. "Munge" is sometimes backronymmed as Modify Until Not Guessed Easily. The usage differs significantly from Mung (Mash Until No Good), because munging implies destruction of data, while mungeing implies creation of strong protection for data.