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As most of us know, return on security investment is basically the amount of risk reduced, less the amount spent, divided by the amount spent on controls. Net amount of risk per amount of control is the essential formula for any “return on” ratio — return on investment, equity, assets and so on.

## How is the return on a security calculated?

The ALE is calculated by **multiplying the annual rate of occurrence (ARO) by the single loss expectancy (SLE)**. ARO is the probability of a security incident occurring within a year. … This represents the percentage of threats halted by the security solution.

## What is return in finance?

A return, also known as a financial return, in its simplest terms, is **the money made or lost on an investment over some period of time**. A return can be expressed nominally as the change in dollar value of an investment over time.

## Why is return important?

Return on investment, better known as ROI, is a key performance indicator (KPI) that’s often used by **businesses to determine profitability of an expenditure**. … By calculating ROI, you can better understand how well your business is doing and which areas could use improvement to help you achieve your goals.

## What is a 200% return?

Because ROI is most often expressed as a percentage, the quotient should be converted to a percentage by multiplying it by 100. Therefore, this particular investment’s ROI is **2 multiplied by 100**, or 200%.

## What is Rosi calculation?

The ROSI calculation **combines the quantitative risk assessment and the cost of implementing security counter measures for this risk**. In the end, it compares the ALE with the expected loss saving.

## How is Rosi calculated?

In the formula for calculating the Return on Investment in Security (**ROSI**), the cost of the security awareness solution is the annual expectation of losses derived from the risks. The quantification of the **ROSI** formula is **measured** by the impact of the investment on the final result.

## What is the monthly return?

Monthly Return = **Closing Price on Last Day of Month / Closing Price on Last Day of Previous Month**. People frequently convert annual returns to average monthly returns using this formula: Monthly Return = (Period Ending Price/Period Beginning Price)^(1/12) – 1.

## What is a good rate of return on 401k?

Many retirement planners suggest the typical 401(k) portfolio generates an average annual return of **5% to 8%** based on market conditions.

## What is return example?

Definition: Return, also called return on investment, is **the amount of money you receive from an investment**. You can think of it this way. For every dollar you put into an investment, the investments earns two dollars. This money that the investment earns is considered your return.

## What is the purpose of return 0?

return 0 in the main function means that **the program executed successfully**. return 1 in the main function means that the program does not execute successfully and there is some error. return 0 means that the user-defined function is returning false.

## What causes ROI to decrease?

Missing Potential Costs

Unforeseen costs can significantly cut into your profits and your subsequent return on investment. … Your ROI will decrease **when you don’t take sufficient time to make decisions about funding future projects**.