19. The apparatus of claim 18 , the processor being operable to execute further instructions comprising: calculating a respective service dependence score for each service running on the asset; sorting the respective service dependence scores; and calculating the host dependence score as an iterative function of the respective service dependence scores.
20. The apparatus of claim 19 , the processor being operable to execute further instructions comprising: assigning the data importance score to the data communicated by the asset; and calculating the operational dependence role as a function of the host dependence score and the data importance score.