WordPress cloning, as it applies to fix hacked wordpress, is the act of making an exact copy of your WordPress install. What's good is that in only a couple clicks, you can do it with the correct software. There are a lot of reasons why you may want to do this. Here are only a few.
Protect your login credentials - Do not keep your login credentials where a hacker might locate them. Store them offsite, as well as offline. Roboform is very good for protecting them, too. Food for thought!
You must create a new user before you can delete the default admin account. To do this go to your WordPress Dashboard and click on User -> Create New User. Enter all of the information you need to enter.
Upgrade now if you're not running the latest version of WordPress. Similar to keeping your door unlocked when you leave for vacation, look at more info leaving your site on an old version is.
You do think about needing security when your website is new but you do have to protect yourself and your investment. Having a site go down and not having the ability to restore it may mean a major see this loss of customers who can hop over to these guys not find you and won't remember to look for your site again later. Do not let that happen to you. Back your site up after you get it started, and schedule backups for as long as the website is operational. This way, you'll have WordPress security and peace of mind.