I have had two WordPress blogs hacked into in the past. That was at a time when I was doing very little internet marketing, and until I found time to address the situation (months later), these sites were penalised in the search engines. They were not removed, but the rankings were reduced.
Cloning your website is another level in repair hacked wordpress site which may be very useful. Cloning simply means that you've backed up your site to a completely different location, (offline, as in a folder, in order not to have SEO issues ) where you can access it at a moment's notice if necessary.
It is not uncommon for blogs to be hacked by a person today. In fact, even domains get hacked. If you are not a programmer or a developer, there's absolutely not any way you will actually understand anything about programming languages or codes. This is the major reason why some of the people who do not know anything wind up thinking if there are some ways to protect investments and their sites from such hackers.
This is quite useful plugin, protecting you against brute-force attacks that are password-crack. It keeps track of the IP address of every failed login attempt. You can configure the plugin to disable login attempts when a certain number of failed attempts is see this page reached.
You may extend the plugin features with premium plugins such as: Amazon S3 plugin, Members only plugin, DropShop etc.. So I think you can use it and this plugin is a fantastic choice.
Implementing all of the above will probably take less than an hour to complete, while making your WordPress website considerably more immune to intrusions. Over 1 million WordPress websites were this past year, mainly due to easily preventable security gaps. Have yourself prepared and you are likely to be on the safe side.