The widespread use of computer networks and the global reach of internet have addec'' substantially to the information sector''s production of an astonishing abundance of information in digital form, as well as offering unprecedented ease of access to it. The internet provides intellectual property owners with a seemingly unlimited market for their works. At the same time, however, the internet offers similarly expanded opportunities for those seeking to infringe the rights of others, while making the detection and elimination of such infringement extremely difficult. The challenge that the law has faced in the recent years is how to foster the development of intellectual property on the internet while preventing its unauthorized exploitation. Protection of intellectual property rights in cyberspace is one of the key areas faced by knowledge society. This Encyclopaedia covers Cyberspace Implications of Copyrights and Related Rights, Cyber Crime, Cyber stalking, etc. Violations to the Intellectual Property Rights Online, including File Sharing, Hacking etc., and Basic Forms of Digital Property, such as Software, Databases, Content of the interment and the ways and peculiarities for their legal protection are analyzed.