Posted by druderman on January 14, 2013 at 1:21pm
I noticed that a recent concise post about security was recently added. It's worth the 3 minutes to read if you are curious.
Core Security - Understanding Input/Text Formats
http://drupal.org/node/1884352
The post above mentions the Security Review module which looks like an essential module to install.
http://drupal.org/project/security_review.
-dave