WordPress Files Structure and WP-Content Hack | htaccess Security
Before we begin discussion of about this folder, let’s take a look at the files that lie inside WP-content. Files, folders, and images access rights to them in WordPress installation. Here is a standard WP-contents file without any changes.
No need rename this folder. it is not so important for security purpose. Just use .htaccess file with perfect code. this kind of file always use for WP security with different code.