If you truly want to learn more about Computer Security, then I suggest you either you check out one of our links, or do an extensive Google Search. There are a lot schools popping up all over the world that are offering courses in the realm of cyber security. You can take all sorts of classes from computer programming, to network security, to learning how to build a computer from scratch. One such places that offers these course is the Universality of Maryland. You can learn a great deal from them. Some of their network security courses will teach common users to defeat common attacks through the use of computer viruses, and SQL injections. There is so much to learn in the world of Cyberdefense, so please learn more!