Hackers are part of the terrain that businesses today find themselves operating on. The term “hacker” has multiple meanings. Some, such as Richard M. Stallman, the creator of GNU, define the word quite broadly to signify someone who, with playful cleverness, explores the limits of what is possible for a given system. That does not necessarily entail criminal activity. Individuals who create modifications for a favorite game or a cherished device might refer to themselves as hackers and their inventions as hacks. In contrast, the term “cracking” is often used to refer specifically to what is commonly thought of as hacking: breaking into computer systems. So while a hacker may or may not be compromising digital networks, a cracker is.