Discussion on global network threats

1 or 2 paper with references.

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?