The process of establishing international norms between nation states for acts involving cyber attacks is still in its nascent stage. Fortunately, the Tallinn Manual has been a tremendous resource to help policymakers, lawyers, and cybersecurity practitioners find some charted territory in this otherwise uncharted and dangerous terrain. Professor Schmitt will provide insight and answer questions into what the 2nd edition of the Tallinn Manual - Tallinn 2.0 will cover in the areas of soverignty, attribution, countermeasures, and much more.