You can specify stakeholders, but the corresponding chunk is not added to the project by default. You have to add it with a right-click on the root node of your analysis (or a folder) in the project explorer. Specify Stakeholders
Create the data Use the Security Goal Assessments to create Security Goals for each data Use the Suggestion Overview to make the child data depend on their containing data
Right now, we don’t explicitly support ports. In many cases, you may create a channel instead of a port. This requires knowing the component at the other end already, yet emphasizes that the security analysis is performed on a concrete system with all the abstract holes being filled with concrete conversation partners.