The use of the internet and digital technologies has changed the way Crimes are committed. Today, many Cybercrimes do not remain within the boundaries of one country. A single cyber offence may involve an offender, victim, server, and data located in different countries. This creates serious legal difficulties, especially in deciding which country has the authority to investigate, prosecute, and punish the offender. Existing criminal laws were largely framed for traditional crimes and often fail to adequately address.

This research paper focuses on the jurisdictional issues that arise in cases of cross-border cybercrime. It examines whether current legal frameworks are adequate to deal with such offences and highlights the practical problems faced by law enforcement agencies. The study follows a Doctrinal method of research and is based on an analysis of Statutes, Case laws, International conventions, and academic writings. A comparative approach is adopted to study how India, the United States, and the European Union deal with jurisdiction in cybercrime cases.

The paper explains traditional principles of jurisdiction, such as territorial and nationality-based jurisdiction, and shows why these principles are often insufficient in cybercrime cases. It also discusses international efforts to address these issues, including the Budapest Convention on Cybercrime and recent initiatives at the United Nations level. Special attention is given to challenges such as delays in cross-border cooperation, difficulties in accessing electronic evidence, and conflicts between data protection laws and criminal investigations.

The paper further looks at emerging issues caused by technological developments like cloud computing, encryption, and the use of artificial intelligence in cyber investigations. These developments, while helpful, also raise new legal and jurisdictional concerns.The study concludes that there is a need for clearer jurisdictional rules, better coordination between countries, and common standards for handling digital evidence. It suggests that strengthening international cooperation and updating domestic cyber laws are essential to effectively deal with cross-border cybercrime while respecting national sovereignty and individual privacy.