Answer:
cracker
Explanation:
A cracker is anybody who breaks into computer system thst is not theirs, often on a network; they bypass passwords or licenses in computer programs; or in other ways intentionally breaches computer security. A cracker can be doing this for financial gain, maliciously, for some cause, or because they are up for a challenge. Some breaking-and-entering has been done on purpose to point out weaknesses in a site's security system.
The term "cracker" is not to be confused with "hacker". A good example of this is the story of the tracking down of a cracker on the Internet who was breaking into U.S. military and other computers is told in Clifford Stoll's The Cuckoo's Egg.
