McAfee EPOLICY ORCHESTRATOR 4.0.2 - Betriebsanweisung PDF herunterladen (Seite 44)

model is easy to determine and to understand, scores between different managed systems may

not be directly comparable because the maximum score can vary.

For example, assume that the rules in a benchmark are not weighted. If Managed System A

passes 40 of the rules in an audit and the maximum possible score can be obtained by passing

50 rules, then the score, expressed as a percentage, is 80%. If Managed System B passes 40

of the weighted rules in the same audit and the maximum possible score can be obtained by

passing 80 weighted rules, then the score, expressed as a percentage, is 50%. Though each

managed system passed the same number of rules, the scores are different because the

maximum possible scores are different for each machine. Though the lack of weighted rules

make the scores for both managed systems comparable, the presence of weighted rules would

skew the scores and it would be difficult to compare the results.

Flat unweighted scoring model

McAfee Policy Auditor uses the flat unweighted scoring model normalized to a value of 100 as

its default scoring model.

The flat unweighted scoring model computes the sum of the rules that passed as the score,

and the sum of all applicable rules as the maximum possible score. Because weighting is not

taken into account, scores between different managed systems can be easily compared.

Absolute scoring model

The Absolute Scoring Model yields a score of 100 when the managed system passes all applicable

rules. If all applicable rules do not pass, the system is assigned a score of 0.

Changing the scoring model

Use this task to change the scoring model for audit results. When you change the scoring model,

the score automatically recalculates according to the model chosen.

Before you begin

You must have appropriate permissions to perform this task.

Task

For option definitions, click ? in the interface.

1 Go to Configuration | Server Settings.

2 Select Policy Auditor under Setting Categories. The Policy Auditor server settings

appear in the right panel.

3 Click Edit. The Edit Policy Auditor page appears.

4 Select the scoring model that you want from the Default Scoring Model drop-down box.

Click Save.

Scoring Audits

Changing the scoring model

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McAfee EPOLICY ORCHESTRATOR 4.0.2 - Betriebsanweisung Seite 44