What can be described as a measure of the magnitude of loss or impact on the value of an asset?
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A. B. C. D.B.
The exposure factor is a measure of the magnitude of loss or impact on the value of an asset.
The probability is the chance or likelihood, in a finite sample, that an event will occur or that a specific loss value may be attained should the event occur.
A vulnerability is the absence or weakness of a risk-reducing safeguard.
A threat is event, the occurrence of which could have an undesired impact.
Source: ROTHKE, Ben, CISSP CBK Review presentation on domain 3, August 1999.
The measure of the magnitude of loss or impact on the value of an asset is known as the Exposure Factor (EF).
Exposure Factor refers to the degree to which an asset is exposed to potential harm or loss. It is usually expressed as a percentage of the asset value that would be lost if a specific threat were to materialize.
For instance, suppose the value of an asset is $100,000, and the EF for a particular threat is 50%. In that case, the potential loss due to the threat would be $50,000 (50% of the asset value).
The EF is an essential component of the risk assessment process, as it helps to quantify the potential impact of a security incident. By considering the EF alongside the likelihood of the threat, the risk associated with a particular asset can be more accurately assessed.
Therefore, among the options provided, the correct answer to the question is B. Exposure factor.