An excerpt from the the 28 page report. It is good resource for those looking to get a grasp on what is going on in the world of spam and malware.

Mobile Threats
This quarter we report a large increase in mobile malware. The jump was targeted almost solely at the Android platform. Hundreds of Android threats in the middle of 2011 have moved into the thousands this year. Due to significant improvements in our ability to collect, process, and detect mobile malware, the count further accelerated this quarter: Android threats now reach almost 7,000, with more than 8,000 total mobile malware in our database.

Read the full report here