This thoroughly revised and expanded fourth edition of the successful Ethical and Social Issues in the Information Age provides an up-to-date examination of the ethical, social, and policy challenges stemming from the emergence of cyberspace, the convergence of telecommunication and computing technologies, and the miniaturization of computing, telecommunication, and information-enabling devices. This accessible textbook/reference broadly surveys thought-provoking questions about the impact of these new technologies, with particular emphasis on the rapid growth of a multitude of computer networks, including the Internet. It assumes only a very modest familiarity with basic computer literacy. Students at all levels who need to learn about computer ethics, the legal aspects of computing, network security, computer crime investigation, and biometrics will find this well-documented work an invaluable resource. The book is also highly useful for practitioners needing such insights for their work.