This falls squarely in the realm of “no surprise”, but as operating systems and interoperability has become more secure, hackers are turning to other means to attack systems: Desktop Applications and Security Tools. The Yankee Group wrote a whitepaper about it back in June. (news release)
News.com: “Antivirus Insecurity at Black Hat Confab”.
eWeek: “Gates Touts Advances in Security Tools” at the Microsoft Financial Analysts Meeting.