AACS DRM body censors Cory's class blog

This semester, I've been teaching a USC undergrad class called Pwned: Everyone on Campus is a Copyright Criminal. Back in February, one of my students did a great post about the AACS processing key crack on the class blog.

Last week, I received a legal threat from the AACS licensing authority, promising a lawsuit if I didn't removing the processing key and the link to the Doom9 forum.

On advice from lawyers, I've censored this material off the post. However, Google maintains a list of over 100 sites that link to the Doom9 post, including one from Boing Boing.