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 ### Rails
 
 - [Rails Security - First part](https://hackmd.io/s/SkuTVw5O-) - Written by [@qazbnm456](https://github.com/qazbnm456).
+- [Zen Rails Security Checklist](https://github.com/brunofacca/zen-rails-security-checklist) - Written by [@brunofacca](https://github.com/brunofacca).
+- [Rails SQL Injection](https://rails-sqli.org) - Written by [@presidentbeef](https://github.com/presidentbeef).
+- [Official Rails Security Guide](http://guides.rubyonrails.org/security.html) - Written by [Rails team](https://rubyonrails.org/).
 
 <a name="angularjs"></a>
 ### AngularJS