10 new features of Joomla! 3.2

http://community.joomla.org/blogs/community/1784-infographic-10-new-features-of-joomla-32.html

Creating custom module in joomla

http://www.techguywebsolutions.com/create-a-custom-joomla-2.5-module.html

Joomla Security Tips

http://www.cio.com/article/703841/13_Tips_for_Better_Joomla_CMS_Security?page=2&taxonomyId=3042

http://bodvoc.com/index.php?option=com_content&view=article&id=43:improving-your-joomla-htaccess-file&catid=2:joomla-security&itemid=3

Build Multilingual Joomla Sites

http://www.ostraining.com/blog/joomla/multi-lingual-joomla/?mc_cid=94ca61ceff&mc_eid=7dc09b5c8c

Joomla - COMMUNITY BUILDER CUSTOM GROUPS

http://www.guylabbe.ca/en/blog/custom-community-builder-groups.html

Joomla! Documentation - Vulnerable Extensions List

http://feeds.joomla.org/JoomlaSecurityVulnerableExtensions