1. The estimates of losses annually due to computer fraud vary widely. Why do you think obtaining a good estimate of this figure is difficult? 2. Explain at least three forms of computer fraud.

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Types of Security Models

The security models are specifically defining the relationship of operating system performance with the information security models. The effective and efficient security models secure the sensitive and relevant information or data of the organizations. The security policy is verified by using the information security models. They deliver a precise set of directions to the computer to follow the implementation of vital security processes, procedures, and concepts contained in a security program. They define the security concern in information threads.