Scammers are targeting social networks with phishing scams and relying more heavily on worms and Trojans to attack computers, according to security trend reports to be released Monday by Microsoft and McAfee.

http://news.cnet.com/8301-27080_3-10387768-245.html

The Microsoft Security Intelligence Report (v7) was released today and can be found here:
http://www.microsoft.com/security/portal/Threat/SIR.aspx

The McAfee press release along with report (PDF) can be found here:
http://newsroom.mcafee.com/article_display.cfm?article_id=3591

-Urs