Cisco found in its 2013 Annual Security report, released Jan. 30. For example, users clicking on online advertisements were 182 times more likely to wind up getting infected with malware than if they'd surfed over to an adult content site, Cisco said.
The highest concentration of online security targets do not target pornography, pharmaceutical, or gambling sites as much as they affect legitimate sites such as search engines, online retailers, and social media. Users are more 21 times more likely to get hit with malware from online shopping sites and 27 more times likely with a search engine than if they'd gone to a counterfeit software site, according to Cisco.
2,577 percent growth in Android-based malware over the past year.
[source: http://www.securityweek.com/easier-get-infected-malware-good-sites-shady-sites-cisco-says ]
Read the security report from Cisco here:
http://www.cisco.com/en/US/prod/vpndevc/2013-annual-security-report.pdf