I have had two WordPress blogs. That was at a time when I was doing virtually no online marketing, and until I found time to handle the situation (weeks later), these sites were penalized at the main search engines. They weren't eliminated the ratings were reduced.
Cloning your site is another degree in repair hacked wordpress site that may be very useful. Cloning simply means that you've backed up your site to a completely different place, (offline, as in a folder, so as not to have SEO issues ) where you can access it in a moment's notice if the need arises.
Don't depend on your internet host - Many people rely on their web host to"do all that technical stuff for me", not realizing that sometimes, they do visit this site right here not! Far better to have the responsibility lie with you, rather than out.
Move your wp-config.php file one directory up from the WordPress root. WordPress will look for find this it if it can't be found in the root directory. Also, nobody else will be able to read the document unless they have FTP or SSH access.
You can also create a firewall that blocks hackers from infiltrating your blogs. From coming into your files, the hacker is prevented by the firewall. You must have Visit This Link version of Apache. Upgrade your PHP also. It's important that your system is always full of upgrades.
Don't use wp_. Most web hosting providers are removing that default but if yours doesn't, fix wp_ to anything but that.