The computer frauds that are publicly revealed represent only the tip of the iceberg. Although many people perceive that the major threat to computer security is exter- nal, the more dangerous threats come from insiders. Management must recognize these problems and develop and enforce security programs to deal with the many types of computer fraud. REQUIRED Explain how each of the following six types of fraud is committed. Using the format provided, identify a different method of protection for cach, and describe how it works. (CMA Examination, adapted) IDENTIFICATION AND DESCRIPTION OF PROTECTION METHODS EXPLANATION TYPE OF FRAUD a. Input manipulation b. Program alteration C. File alteration d. Data theft e. Sabotage f. Theft of computer time