Assuming junk is required, the following 2 results were found.
Security Checklistshttps://www.joellipman.com/articles/cms/joomla/security-checklists.html
permissions 5. Remove unneeded files 6. Turn Register Globals Emulation OFF 7. Check for extension vulnerabilities 8. Remove junk files Source: http://docs.joomla.org/Security_Checkli … omla_Setup
Are you getting a lot of spam, or junk messages sent via your Joomla site? I know certain components of Joomla let you put banned words but I know of even more that don't. If you find all your forms need extra plugins and captchas (such as...