Information security is the area of information technology that has the mission of protecting all information and data circulating on the network. Security is essential so that bank account data for individuals and even sensitive information from governments and companies, for example, are not the target of hackers. According to the technical norm of ABNT (Brazilian Association of Technical Norms) that establishes the general guidelines and principles of information security management, information security constitutes the? Protection of information from various types of threats to ensure continuity of business, minimize business risk, maximize return on investment and business opportunities ?. Know more: WAN vs LAN The professional responsible for this area is the information security specialist. It must guarantee the availability of information resources, preserve the integrity of the information and preserve the confidentiality of the data. Based on the pillars of confi...