32 32 32 32 32 32 64

3Q11 4Q11 1Q12 2Q12 3Q12 4Q12

more than 5 times as likely

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

July August September October November December

www.microsoft.com/windows/antivirus-partners/

Twitter@msftsecurity

Microsoft Trustworthy Computingwww.microsoft.com/twc

Microsoft Security Intelligence Reportwww.microsoft.com/sir

Microsoft Security Blogblogs.technet.com/b/security