A comprehensive network security guide and reference for IT and network professionals. An easy to use training tool for IT students to get an overall picture of network vulnerabilities, security technologies and solutions. A unique marketing tool for IT hardware, software and services vendors for leads generation and a promotional gift to their partners and customers. All in one chart displayed the network security risks in association with specific protocols, the most up-to-date technologies and protocols, and the product solutions such as AAA solutions, firewalls, IDS/IPS, VPNs, as well as Anti-Virus Anti-Spyware/Anti-Adware Anti-Spam/Anti-Phishing systems. All security problems, technologies and solutions are well illustrated in the OSI 7-layers model and TCP/IP 4 Layers model. Designed by experts with decades of experience in the networking and network security fields. Large (27 in x 39 in) and high quality poster for offices, labs, class rooms and homes