Question

In a fictional scenario involving international cybercrime, consider the following:

Country X has recently discovered that a notorious hacker, known for infiltrating government systems and stealing classified information, is residing in Country Y. The actions of this hacker have caused significant harm to Country X's national security. In response, Country X wishes to exercise its jurisdiction under the principle of protective principle to prosecute the hacker.

Discuss the key elements and factors that Country X needs to establish in order to justify its exercise of jurisdiction based on the protective principle. Explain the legal basis and requirements that need to be satisfied for Country X to proceed with its prosecution of the hacker.