As of today, WordPress is powering 48 of the blogs on the Internet. Apart from that, WP is powering 19% of the web as a whole. It means that WordPress is really trusted by a lot of people whenever they want creation of sites and blogs.
Cloning your website is another level in rename your login url to secure your wordpress website which may be useful. Cloning simply means that you've backed up your website to a completely different place, (offline, as in a folder, so as to not have SEO issues ) where you can access it at a moment's notice if the need arises.
An easy way is to use a few built-in tools. To begin with, don't allow people run a web host security scan to list the files in your folders and automatically backup your web hosting account.
I don't think there is a person out there that after learning just how much of a problem WordPress hacking is that it's a good idea to boost the security of their blogs. But something I've noticed through the years is that when it comes to securing their blogs, bloggers seem to be stuck in this reactive state.
You can also create a firewall that blocks hackers from infiltrating your blogs. From coming to your files, the hacker is prevented by the firewall. You also have to have updated version of Apache. Upgrade your PHP as well. It's important that your system is filled with upgrades.
Keep in mind the safety of your sites depend on how that site you handle them. Make sure that you follow these tips to avoid hacks and exploits on your blogs and sites.