Cloning your site is just another level in fix wordpress malware scanner that may be very useful. Cloning simply means that you have backed up your site to a totally different location, (offline, as in a folder, so as to not have SEO problems) where you can access it in a moment's notice if the need arises.
Use strong passwords - Do your best to use a strong password, alpha-numeric. Easy to remember passwords are easy to guess!
It represents a task while it's an odd term . We're not simply being obsessive-compulsive here: servers go down every day, despite their claims of 99.9% uptime, and if you've had this happen to like it you, you understand the panic is it can cause.
Note that this last step for new installations should only try. You have to change of the table names inside the database, if you might like to get it done for installations.
But realize that great site online security is something you really need to more start thinking about. Don't only be the reactive type, take action to start today protecting yourself. Do not let Joe the Hacker make your life miserable and turn everything that you've worked so hard in creating come crashing down in a matter of moments.