[betenoire]

If you aren't yet familiar with OWASP, start there. https://www.owasp.org/index.php/Main_Page

Here is some OWASP material specific to Django.

If you like reading http://blog.mikeleone.com/2011/10/security-django-and-owasp-...

If you like watching http://www.youtube.com/watch?feature=player_embedded&v=sra9x...