Cloning, as it applies to secure your wordpress site, is the act of making an exact replica of your WordPress install. What is great is that in just a couple clicks, you can do it with the right software. There are a number of reasons. Here are just a few.
You can search. If hackers suddenly hack your website, you can restore your site with the use of your files and change.
I don't think there's a person out there that after learning just how much of a problem WordPress hacking is that it's a good idea. Something I've noticed over the years is that when it comes to securing their blogs, bloggers seem to be stuck in this state that is reactive.
What if you go to WP-Content/plugins, can you view that folder? If so, upload this blank Index.html file inside that folder as well so people can not see what plugins you have. Because if your existing version of WordPress is current, if you're using an old plugin or a plugin using a security hole, someone can use this to get access.
There are always going to be risks being online (or even just being alive!) Also it's easy to get caught up in the try these out fear. We often put the breaks on, As soon as we see page get caught up in the panic. This isn't a reaction. Take some common sense precautions forge ahead. It is going to need to be addressed then, if something does happen and of quaking in your boots 23, no amount will have helped. If nothing does, all is good and you have not made yourself ill with worry.