Symantec’s Web site ratings service Norton Safe Web presents the Dirtiest Web Sites of Summer 2009 – the top 100 infected sites based on number of threats detected by Norton Safe Web as of August 2009.
•Average number of threats per site on the Dirtiest Websites list is roughly 18,000, compared to 23 threats per site for all sites rated by Norton Safe Web
•40 of the Top 100 Dirtiest Sites have more than 20,000 threats per site
•48% of the Top 100 Dirtiest Web sites feature adult content
•3/4 of the Top 100 Dirtiest Web sites have distributed malware for more than 6 months
•Viruses are the most common threat represented on the Dirtiest list, followed by Security Risks and Browser Exploits