Microsoft has just released their latest security Intelligence Report. The Security Intelligence Report covers the time period 2009 from January through June. Data used in this report comes from over 450 million computers worldwide, each running Windows. But additional data originates from Windows Live Hotmail and Bing; those busy applications on the Internet.
This report provides a detailed look at the threat landscape. But it is also provides a working guidance for IT professionals to help mitigate these threats. The analysis comes from the three Microsoft Trustworthy Computing Security Centers as well as several Microsoft product groups.