May 30, 2007 ~ Symantec Weblog - "On Friday the top story on the social bookmarking site reddit.com linked to a website that downloaded malware onto visitors’ computers. Social bookmarking sites like Reddit and Digg link to stories ranked by the popularity of these stories with their users. The malware on the site appeared to be a variant of Trojan.ByteVerify that downloaded more malicious programs onto the users’ machines. It is interesting to consider how effective in spreading malware a link on a social bookmarking site is... E-Consultancy claims* that if a page gets to the popular listing on Digg, over twelve thousand users can be expected to view the page... Any of the many technically-aware users that use these sites could quickly discover that a website is malicious. This crowd wisdom could result in malicious web pages being buried or reported before they become popular. In the recent Reddit case this crowd wisdom did not discover the malicious website until it had become the most popular on the site..."
Malicious Code - Social Bookmarking and malicious sites
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