Research for network security news article

[lgreenem () cmp com]

I'm looking for information and sources for a story I'm writing for InformationWeek magazine about the state of network 
security and Cisco's role in it. Are network attacks on the rise? More specifically, are attacks on Cisco networking 
equipment on the rise? How well is the company addressing security in its products and what does this mean for the 
security of your network?