Ahas a hostile intent, possesses sophisticated skills, and may be interested in financial gain. they represent the greatest threat to networks and information resources.

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.

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.