The Microsoft Security Intelligence Report (SIR) provides an in-depth perspective on the changing threat landscape including software vulnerability disclosures and exploits, malicious software (malware), and potentially unwanted software.
Using data derived from hundreds of millions of Windows users, and some of the busiest online services on the Internet, this report also provides a detailed analysis of the threat landscape and the changing face of threats and countermeasures and includes updated data on privacy and breach notifications.
The sixth volume of the report is now available (in 10 languages), visit the Malware Protection Center Website to access the report and key findings. You will also find a 10 minute video of the key findings there.
For further information and insight read the article "Who's at Risk on the Internet Today? We All Are. Act Accordingly…" on the Microsoft Malware Protection Center Blog