Computer Security Applicationsintermediate
Match each risk term with its meaning.
Answer
Single Loss Expectancy - Estimated loss from one occurrence; Annual Rate of Occurrence - Estimated number or rate of occurrences per year; Annualized Loss Expectancy - Expected loss per year, calculated from the other two values
Explanation
### The pairs
| Item | Matches | Why |
|---|---|---|
| Single Loss Expectancy | Estimated loss from one occurrence | It estimates the financial impact of one instance of the event. |
| Annual Rate of Occurrence | Estimated number or rate of occurrences per year | It represents how often the event is expected to happen in a year. |
| Annualized Loss Expectancy | Expected loss per year, calculated from the other two values | It combines loss per event with annual frequency using $ALE = SLE \\times ARO$. |
### Terms
- **Single Loss Expectancy (SLE)**: Estimated loss from one event.
- **Annual Rate of Occurrence (ARO)**: Estimated annual frequency of an event.
- **Annualized Loss Expectancy (ALE)**: Estimated annual loss from an event.
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