Your site may be at risk! When using mass assignment, you are giving the user complete control over that model and its associations. See how a hacker might use this vulnerability and learn how to stop it in this episode.

The final piece of the administration puzzle: authentication. There are many different approaches which is why I saved this step for last. This episode will cover a few techniques including the simple solution used for this site

In this second part of the series on administration, you will learn how to lock down the site to keep the public from accessing the administration features

OpenID lets you log in to different sites without having to create a new username and password for each one. This screencast demonstrates OpenID in action.