Criminals use state of the art equipment while law enforcement is at least five years behind. But the easiest method of breaking in is social engineering, Ress said. 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.