The field of network security is a very dynamic, and highly technical field dealing with all aspects of scanning, hacking, and securing systems against intrusions. There are many positions related to this, however, the most common would be that of a Network Security Engineer, a Security Research Ana...

Firewalls Everyday millions of people around the world use the Internet for corporate use, research, and personal uses. If each person uses one computer to access the Net at any one time, that is trillions of bytes of data. People are in danger of being "infected" or "hacked" ...