Companies are looking for protecting their information implementing security policies and security tool kits in order to save the information, regardless that most thefts or unauthorized access are mainly committed by Human.The social engineer (perpetrator) finds vulnerabilities in employees (victims) who manage the information within Companies.To prevent this issue, is important to identify the profile of the social engineer using a psychometric tests such as 16PF.This psychometric test can identify characteristic on the personality of Social Engineer profile.The profile identified from this psychometric test allows detailing personality variables.Design a knowledge base KB will be a support to prevent and controlling the access to information from social engineering.The purpose of this Knowledge Base is characterize the Social Engineer profile to be applied for evaluate profiles in employees and candidates to job post in various Companies.