This morning, we released Volume 14 of the Microsoft Security Intelligence Report (SIRv14). This new report studies our findings on trends in the threat landscape based on data from more than 1 billion systems worldwide, focusing on data collected in the second half of 2012.
One interesting trend we saw surfacing in the enterprise was an increase in web-based threats. The enterprise has traditionally put a lot of effort into dealing with network worms, commonly mitigated with configuration and policy changes, and passwords, along with device and network share control. While still a threat to organizations, our latest threat intelligence report, SIRv14, shows these traditional network worms are being superseded by web-based threats.