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Post Control ARO and ALE

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1. Why have some of the values changed in the columns Cost Per incident, and Frequency of Occurrences?

2. How could a control affect one but not the other?

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1. Some values have changed in either cost per incident or frequency of occurrence because the added control minimizes the effects of a threat financially. For example, adding an antivirus software is an added cost for the company to buy, but it helps prevent viruses and other ...

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Calculate the post-control ARO and ALE

I need help again. Here is the problem.

Assume a year has passed and there has been improved security by applying a number of controls. Using the information from Table 1 and table 2 in the attached document, calculate the post-control ARO and ALE for each threat category listed.

See attached file.

Also, can you please explain to me post - control and what it means?

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