This study aims to identify the effect of computer crimes on the application of information system in bank sector in Jordan. The study relied on both data resources; the primary and the secondary data were collected from a previous studies related to the subject matter, where as the primary data attained through distributing the questionnaire on the study sample. The researchers conducted a statistical analysis for approximately 300 questionnaires , which were distributed on a sample of Jordan commercial banks, then the responses of the study sample were emptied into the computer, the data analysis was conducted by using statistical analysis system(SPSS), the result showed: There is a relation that has a moral effect between the dang...