Okay, you got me: WordPress security isn't the sexiest way to spend your time, but it could end up being one of the most profitable! Nothing is more caustic to the lining of your stomach than having your site go down, and wondering whether or not you've lost it all.
Cloning, as it applies to clean hacked wordpress site, is the act of creating an exact copy of your WordPress install. What's great is that you can do it in just a couple clicks. There are a number of reasons why you may want to do this. Here are only a few.
Backup plug-ins is also important. You need to backup database and all the files you can easily bring back your own blog like nothing happened.
It's a WordPress plugin. They're check these guys out drop dead easy to install, have all the features you need for a task like this, and are relatively inexpensive, especially when compared to having to hire someone to get this done for you.
In addition to adding a secret key to your wp-config.php document, also consider altering your user password to something that's strong and unique. WordPress will let you know the strength of your password, but include numbers, check it out use upper and lowercase letters, and a great tip is to avoid phrases. It's also a good idea to change your password regularly - say once.
Do your homework and some Recommended Site hunting, but if you're pressed for time and need to get this done once and for all, try the WordPress safety plugin that I use. It is a relief to know that my website (and business!) are secure.