Spam reaches all-time high of 95% of all email

* Global spam levels reached an all-time high of 95% of all emails at its peak during the quarter.
* Blended threat messages -- or spam messages with links to malicious URLs -- accounted for up to 8% of all global email traffic during the peaks of various attacks during the quarter.
* One massive outbreak mid-quarter utilized over 11,000 dynamic zombie IP addresses to host malicious web sites. Leading zombie locations included the United States (36%) and Russia (8%).
* Image spam declined to a level of less than 5% of all spam, down from 30% in the first quarter of 2007; also, image pump-and-dump spam has all but disappeared, with pornographic images taking its place.
* PDF Spam represented 10-15% of all spam in early July and then dropped significantly, however a steady stream of PDF spam is still being maintained at 3-5% of all spam messages.
* Pharmaceuticals and sexual enhancers were the most popular spam topics, at 30% and 23%, respectively.

http://www.net-security.org/secworld.php?id=5545