Norton has compiled a list of hundred ‘dirtiest’ websites that have the most dreaded viruses, malware, browser exploits and other security risks.

Here are some interesting facts about this ‘Top 100′ list:

Average number of threats per site : 18000
Average number of threats per site of the top 40 list :20000
Average threats per site for all sites monitored by Norton : 23

Number of sites serving adult content : 48
Long timers (serving malware for 6 months of more) : 75

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