The document defines cyber space as the global computer network formed by interconnected human beings through computers and telecommunications without physical boundaries. It originated in the 1960s when artists used computers creatively. Cyber space faces threats like cybercrime, hacking, cyber terrorism, and cyber espionage. Solutions include strong passwords, firewalls, and updated antivirus software. Advantages are unlimited communication, abundant information, easy sharing, and online services. Disadvantages include software and data vulnerabilities, privacy issues, remote access risks, lack of geographical boundaries enabling crime.