Guardrails is a nice technique for adding security to Rails apps. You tag data items with access conditions and guardrails does a source translation in the back

Guardrails is a nice technique for adding security to Rails apps. You tag data items with access conditions and guardrails does a source translation in the background to ensure the data is protected accordingly. Alpha version of the code is now on github: https://github.com/guardrails/guardrails https://github.com/guardrails/guardrails Slides describing its design (paper to be presented later this year at USENIX WebApps 2011): http://www.owasp.org/images/c/cd/Guardrails_owasp_final.pdf http://www.owasp.org/images/c/cd/Guardrails_owasp_final.pdf