Executive Summary Dashboard: Health Score Panel
This article provides an overview of the information displayed in the Health Score panel.
Health Score
The Health Score panel displays the following metrics:
- The Health Score (normalized or not) and its evolution (increase/decrease) over the selected time frame.
- The Projected Impact of active Remediation Plans.
Tip
Visualizing this graph in relation to the Assets panel may help to better understand how adding or removing assets in your environment can affect the Health Score.
How is the Health Score defined? ⫘
The Health Score is defined as follows:
- Every scanned asset is given an individual asset Health Score from 0.00 to 1.00, where 0.00 is an "unhealthy" asset and 1.00 is a fully "healthy" asset.
- The organization Health Score (non-normalized) is the sum of all the assets' health scores. Unscanned assets are currently excluded from the Health Score.
How are individual assets' Health Scores calculated? ⫘
The asset's worst vulnerability CPS is the only one counted on an asset to evaluate its health (the health of an asset with regard to its potential exploitability on the network is not affected by the number of equivalent "worst" vulnerabilities, as CPS already takes into account surrounding vulnerabilities).
The asset Health Score s(a) is therefore defined as:
Asset Health Score
- The CPS score is divided by 10 to give a resulting number from 0.00 to 1.00.
- Think of the asset Health Score as an "inverse probability" of it being compromised in the network.
How is the organization Health Score calculated? ⫘
The organization global Health Score (non-normalized) is the sum of all the assets' Health Scores in your environment.
If s(a) is the Health Score of asset a, then the global organization's Health Score S(org) is defined as:
Organization Health Score
How is the normalized organization Health Score calculated? ⫘
The normalized Health Score allows you to compare your own Health Score to peers and/or to subdivisions within your organization. It is the ratio of all your healthy assets versus all your scanned assets.
Normalized Organization Health Score
To view the normalized Health Score, select the menu icon in the upper left corner and choose Normalized from Panel Options.
How is the Projected Impact calculated? ⫘
- Every Remediation Plan created through the remediation feature will have an individual positive impact on the Health Score (in percentage) as it will improve by fixing these vulnerabilities on specific assets.
- The Projected Impact displayed in the Health Score panel is simply the sum of the individual remediation plans' impacts on the health score (in percentage), for all the plans that still have some vulnerabilities to fix.