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Edit an ACR

Required User Role: Administrator

You can customize an asset's ACR value to reflect the unique infrastructure or needs of your organization. You can edit a single asset independently or multiple assets simultaneously.

Tip: Changes to an ACR value (and recalculations for your AES and CES values) take effect within 24 hours.

Note: All data in Lumin (except the CES for your entire organization) reflects only the assets shared with your user account. For more information, see Access Groups.

To edit the ACR for a single asset:

  1. Navigate to the new Tenable.io interface, as described in Access the New Tenable.io Interface.

  2. In the upper-left corner, click the button.

    The left navigation plane appears.

  3. In the left navigation plane, in the Lumin section, click Assets.

    The Lumin Assets page appears.

  4. Click an asset row.

    The Lumin Asset Details page appears.

  5. In the Asset Criticality Rating section, click the Dashboards button.

    The Lumin Edit Asset Criticality Rating plane appears.

  6. Click or drag the Asset Criticality Rating slider to increase or decrease the ACR.
  7. (Optional) If you want to include a justification for your ACR change, in the Overwrite Reasoning section, select one or more reasons.
  8. (Optional) If you want to include a note about your ACR change, in the Notes section, type a note.
  9. Click Save.

    Tenable.io saves the custom ACR.

To edit the ACR for multiple assets:

  1. Navigate to the new Tenable.io interface, as described in Access the New Tenable.io Interface.
  2. In the upper-left corner, click the button.

    The left navigation plane appears.

  3. In the left navigation plane, click Lumin.

    The Lumin dashboard appears.

  4. In the Cyber Exposure Score by Business Context widget, click the row for the tag for which you want to view asset details.

    The Lumin Business Context Asset Details page appears, filtered by the tag you selected.

  5. Access the Lumin Assets page through the Asset Criticality Rating Breakdown widget, the Asset Scan Distribution widget, or the Asset Scan Frequency widget, as described in View Business Context Tag Asset Details.

    The Lumin Assets page appears, filtered by your widget selection.

  6. In the table, select the check boxes next to the assets that you want to edit.

    The action bar appears.

  7. In the action bar, click the Dashboards button.

    The Lumin Edit Asset Criticality Rating plane appears.

  8. Click and drag the Asset Criticality Rating slider to set the ACR.
  9. (Optional) If you want to include a justification for your ACR change, in the Overwrite Reasoning section, select one or more reasons.
  10. (Optional) If you want to include a note about your ACR change, in the Notes section, type a note.
  11. Click Save.

    Tenable.io saves the custom ACR for all selected assets.

Copyright © 2019 Tenable, Inc. All rights reserved. Tenable, Tenable.io, Tenable Network Security, Nessus, SecurityCenter, SecurityCenter Continuous View and Log Correlation Engine are registered trademarks of Tenable, Inc.. Tenable.sc, Lumin, Assure, and the Cyber Exposure Company are trademarks of Tenable, Inc. All other products or services are trademarks of their respective owners.