In order to reduce the chance of an IFrame attack, add these lines into your .htaccess file:

RewriteEngine On
RewriteCond %{QUERY_STRING} ^.*(;|< |>|’|”|\)|%0A|%0D|%22|%27|%3C|%3E|%00).*(/\*|union|select|insert|cast|set|declare|drop|update|md5|benchmark).* [NC] RewriteRule .* - [F]

Yummy