COMPUTER NETWORK SECURITY is very complex. New threats from inside and  outside networks appear constantly. Just as constantly, the security  community is developing new products and procedures to

 COMPUTER NETWORK SECURITY is very complex. New threats from inside and  outside networks appear constantly. Just as constantly, the security  community is developing new products and procedures to defend against  threats of the past and unknowns of the future.

As companies  merge, people lose their jobs, new equipment comes online, and business  tasks change, people do not always do what you expect. Network security  configurations that worked well yesterday might not work quite as well  tomorrow. In an ever-changing business climate, whom should you trust?  Has your trust been violated? How would you even know? Who is attempting  to harm your network this time? And why?

Because of these  complex issues, you need to understand the essentials of network  security ~  What specific threats do YOU see in today's global  networking environment?