Create Threat Analysis Dependency - Modelio-R-D/AttackTreeDesigner GitHub Wiki
You can Create a "Threat Analysis" Dependency from an attack to a specific Model Element which implies that this attack analyses the the possible threats that could occur to the referenced element. You can add the "Threat Analysis" Dependency by using the associated tool in your diagram palette as it is illustrated by Figure 1.
Figure 1 : Create a Threat Analysis Dependency