Cloning your website is another level in secure your wordpress website which can be useful. Cloning simply means that you've backed up your website to a totally different location, (offline, as in a folder, so as not to have SEO problems) where you can get it at a moment's notice if necessary.
This is great news because it means that there is a community of developers and users who could improve the platform. However there's a group of people trying to achieve something, there'll always be people who will attempt to take them down.
Exclude pages - This plugin provides a checkbox,"include this page in menus", which can be checked by default. If you uncheck it, the page will not appear in any listings of pages (which includes, and is usually limited to, your webpage navigation menus).
Note that you should only try this last step for setups. If you might like to do it you anonymous will also have to change all of the table names inside the database.
Implementing all of the above will probably take less than an hour to finish, while creating your WordPress site Continued much more resistant to more helpful hints intrusions. Over 1 million WordPress sites were last year, mainly due to easily preventable security gaps. Have yourself prepared and you're likely to be on the safe side.