You may qualify the asset with zero or more classes. Classes are used to select threats and safeguards.

     means that the class is not selected for this asset

     means that the class is selected for this asset

     means that a subclass is selected for this asset

Classes with a mark (*) are those for which there is information on additional protections (kb).

Class clean / delete

You may right-click on the asset classes’ tree to clean or to delete marks. Cleaning means removing redundant marks, while deleting means removing marks.

Example