Cloning your website is another level in rename your login url to secure your wordpress website which can be useful. Cloning simply means that you've backed up your site to a totally different place, (offline, as in a folder, so as to not have SEO problems) where you can get it at a moment's notice if necessary.
You can look for software that will backup your database and files. If your site is suddenly hacked by hackers, you can easily restore your site with the use of your files and change.
Exclude pages - This plugin provides a checkbox,"include this page in menus", Discover More Here 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 restricted to, your page navigation menus).
Another step to take to make WordPress secure is to upgrade WordPress to the latest version. The main reason for this is that with every new update there also come fixes for security holes that are older which makes it essential to upgrade early.
Always keep in mind that the safety of your blogs depend on how you handle them. Make sure that you follow these tips that are simple to avoid exploits and hacks on websites and your blogs.