This guide is intended to give developing countries a tool allowing them to better understand some of the issues relating to IT security, and provide them with examples of solutions that other countries have put in place in order to deal with these problems. It also refers to other publications giving further specific information on cybersecurity. This guide is not intended as an exhaustive document or report on the subject, but rather as a summary of the principal problems currently encountered in countries wishing to take advantage of the benefits of the information society.