MediaDefender works for big entertainment companies to battle peer-to-peer distribution of media. Revision3 is an online media company that puts out shows like Diggnation. Last weekend Revision3 was the victim of a denial of service attack which it blames on MediaDefender, according to Information Week.
In a blog post, Revision3 CEO Jim Louderback explained how his company traced the culprits, expecting to find amateur hackers:

