The volume of malware surged in the first three months of 2012. In particular, there’s been a flood of new types of rootkits, password-stealing Trojan applications, malware targeting Android users, and botnet infections.
http://www.mcafee.com/us/resources/reports/rp-quarterly-threat-q1-2012.pdf
http://www.informationweek.com/news/security/attacks/240000992
