Internet and IT devices are being used for business and entertainment more frequently. The Internet has become a vital part of social fabric. Threats to the Internet and other complex commercial networks are solid and growing. Globalization and the need for interoperability complicates the security of IT networks and the Internet. Cyber threats have an important potential damage capacity. Proactive security methodologies are needed to protect valuable information. In accordance with this situation, our purpose is to examine the current trends in network security and to propose a roadmap for protecting information from cyber threats. The roadmap consists of three phases: Analysis, Design and Operation