Symantec blocked a total of over 5.5 billion malware attacks in 2011, an 81% increase over 2010.
Web based attacks increased by 36% with over 4,500 new attacks each day.
403 million new variants of malware were created in 2011, a 41% increase of 2010.
SPAM volumes dropped by 34% in 2011 over rates in 2010.
39% of malware attacks via email used a link to a web page.
Mobile vulnerabilities continued to rise, with 315 discovered in 2011.
Only 8 zero-day vulnerabilities were discovered in 2011 compared with 14 in 2010.
50% of targeted attacks were aimed at companies with less than 2500 employees.
Overall the number of vulnerabilities discovered in 2011 dropped 20%.
Only 42% of targeted attacks are aimed at CEOs, Senior Managers and Knowledge Workers.
In 2011 232 million identities were exposed.
An average of 82 targeted attacks take place each day.
Mobile threats are collecting data, tracking users and sending premium text messages.
You are more likely to be infected by malware placed on a legitimate web site than one created by a hacker.