The official Ruby on Rails security guide You’ll find the latest version of the guide here. The legacy versions are also available: Rails 2.3.11, 3.2.21, 4.0.12 and 4.1.8. if you found this useful, please share it:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)