As an example, if the asset value is reduced by two thirds, the exposure factor value is 0.66.
If the asset is completely lost, the exposure factor is 1.
The result is a monetary value in the same unit as the single-loss expectancy is expressed (euros, dollars, yens, etc.
): exposure factor is the subjective, potential percentage of loss to a specific asset if a specific threat is realized.
The exposure factor is a subjective value that the person assessing risk must define.