Microsoft Security Intelligence Report Volume 8.

[JMH]

The Microsoft Security Intelligence Report (SIR) is a comprehensive and wide-ranging study of the evolving threat landscape, and addresses such topics as software vulnerability disclosures and exploits, malicious software (malware), and potentially unwanted software.

Volume 8 of the Security Intelligence Report (SIR v8) covers July 2009 through December 2009. It includes data derived from more than 500 million computers worldwide, each running Windows. It also draws data from some of the busiest services on the Internet, such as Windows Live Hotmail and Bing.

In this volume, the analysis is from the perspective of the three Microsoft Trustworthy Computing Security Centers in addition to several Microsoft product groups.

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Microsoft Security Intelligence Report Volume 8

 

[Dave76]

Another nice find JMH,

Some nice statistics on vulnerabilities for XP vs Windows7 and Vista.