How do you keep your site alive in a case of a DDoS, or Distributed denial of Service Attack? The answers can be found in this series of short films produced in collaboration with the Electronic Frontier Foundation (EFF). The films accompany EFF's guide to keeping your site alive: Keeping Your Site Alive.
Don't let yourself be silenced explains what a DDoS attack is and how it silences information online.
Back up your web content reminds us how important it is to keep copies of our websites. In a case of an attack we can then restore it to another location.
To keep your information online you can Mirror your web content. A mirrored site can exist even when the original is down.