When Good Goes Bad: 10 Most Dangerous Web Sites

No, we're not talking about XXX sites, gambling and sketchy pharmaceutical spam. But even good Web sites can go bad. In fact, legitimate sites are often a much more lucrative target for hackers simply because they are trusted by millions of users all over the world. All hackers have to do is use the application on the site to distribute malicious code.

Sometimes it's as simple as posting a malicious link to the site and redirecting users to a malware site. Other times, they will install malicious code into the Web application or third-party content in a SQL injection attack and then sit back and reap the benefits of the high volumes of traffic.

Whatever their method, here are some of the sites that they seem to like best.