This tutorial is about how to add basic authentication to a RoR app through a simple user table, no ACL or fancier stuff is implemented.

This article will guide you through the process of setting up user logins, then ajaxifying the process by moving the form into a modal box that communicates with the server.

Getting Started with Restful Authentication in Rails

Are you accepting sensitive user data? Passwords, credit card numbers, etc. By default, Rails stores all submitted parameters in plain text in the logs. This episode will show you how to filter this sensitive input so it doesn't show up in the log file.

How to guard against cross site scripting in Ruby on Rails.

A controller/model/view generator for easily adding authentication, users, and logins to your rails app.

This is a beginners guide to the Ruby language

A Rails security cheatsheet with all the information in one place

Tutorial explaining how to prevent CSS attacks