About 700 MB of file-sharing foe MediaDefender's internal e-mails have been distributed on the Internet. These e-mails detail the tactics that MediaDefender used to disrupt peer-to-peer file-sharing, including decoying, interdiction, spoofing, and swarming. (You can read about these tactics in "Peer-to-Peer Poisoners: A Tour of MediaDefender.")
Here's a selection of news stories and postings about the leak: