The Internet had brought us many good things. However, as it got integrated in everyday society criminals also found their way there. Internet is now both a target for and means of committing criminal offenses. In many cases its is not possible to pinpoint where the relevant behaviour, effects or proof-that-is-data is located. Even when this is possible the case it is often ‘abroad’ since Cybercrime hardly needs a connection to to a physical location. This results in being unclear which state exactly has jurisdiction over perpetrators, and how a state that has determined jurisdiction should be enabled to deploy effective enforcement measures. This project will research into possibilities of a legal basis for unilateral enforcement measures starting from coomon (global) values that all states do or should have.