In order to secure additional budget, a security manager wants to quantify the financial impact of a onetime compromise. Which of the following is MOST important to the security manager?
A.
Impact
B.
SLE
C.
ALE
D.
ARO
Explanation:
SLE is a monetary value, and it represents how much you expect to lose at any one time: the single loss
expectancy. SLE can be divided into two components: AV (asset value) and the EF (exposure factor). Thus
a one-time compromise would resort under the SLE for the security manager.
Incorrect Answers:
A: Impact is what is felt whenever any type of risk occurs.
C: ALE is the annual loss expectancy value. This is a monetary measure of how much loss you could expect
in a year.
D: ARO is the statistical probability that a risk may be realized several times in a year expressed in a
number.Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis,
2014, pp. 5, 8, 17
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