A hacker could then pose as an employee and refer to various people within the company. This method has been used to obtain much non-public information. They represent the majority of the computer crime cases. Intruders usually work with low cost equipment and operate in a low risk area. These hackers create the most volume of problems.
Insiders are the real corporate threat.
These often self-motivated hackers are the most dangerous of hackers. Typical insiders can be disgruntled employees, telephone repair service workers or people with inside access. Because of the nature of insider corporate computer crime, these incidents usually go unreported and represent the least number of referrals to law enforcement. Criminals are able to use anonymity and the speed of the communication to conduct illegal activities. Typical criminals include drug dealers, white color criminals and transnational criminals.