body: If I have a blog and post up a picture of some artists work, he/she can come after me for a copyright breach. However what happens on a large website where users can upload images as they wish. Moderators can't be educated on whether every user has permission to publish that image. In the event that a user posts a copyright image that they do have have permission for on a community forum, how to the website owners protect themselves from a claim?
  
  
  
title: How do community websites and forums defend against copyright claims?