Segurança da informação: uma proposta para projeto de rede baseada em software livre

Abstract

There´s no turning back, any organization, since a small company with two or three PCs to a complex organization with a acting in different countries, it know that in greater or lesser extend the technology is essential for your business. And it is justly because it is vital and it brings a basic need: security. First rises the information in the critical level in the company, making a main piece in the game. Then one sees that given in the form and process that is available, run the risk of being corrupted, altered, stolen or made available in the Internet or in worst cases, infringed by staff and passed to competition or simply causing financial damage to the company. The information security does not depend only and exclusively of security equipments of costly network but also security policies, training, professional education and awareness at all levels within the organization. This work does not have like purpose to present a single and definitive solution to implement a high level of security within organizations, as we arrived to the conclusion that there is not a foolproof recipe. Each organization, in its industry or computer network has unique characteristics that must be analyzed individually before choosing effective technology for protecting their data and information. It is then suggested the use of Free Software tools that met the requirements of each organization, can bring a security layer with a low cost to the entity.