...of attack opportunities. A further finding is that applications are now more vulnerable and see more exploitation attacksthan operating systems. There were no new major operating system worms seen in the wild during the reporting period...
http://news.cnet.com/8301-1009_3-10352943-83.html
...configuration. As IPS mechanisms mature, they will likely be able to accurately identify and block higher percentages of attacksthan today’s first-generation IPS devices do. However, even the best technology will permit malicious traffic and block...
http://www.verisign.ch/static/035432.pdf