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.
Install the fix wordpress malware fix Firewall Plugin. Stop and this plugin investigates requests with WordPress-particular heuristics that are straightforward to identify attacks that are most obvious.
An easy way is to use a few tools. To begin with, don't allow people run a web host security scan to list the files in your folders and automatically backup your whole web hosting account.
Keep your WordPress Setup to date - One of the easiest and most valuable tasks you can do yourself is to ensure go to my site that your WordPress installation is upgraded. WordPress gives you a notice in your dashboard, so there's really no reason.
You could even get an SSL Encyption Security to your WordPress blogs. The SSL Security makes encrypted and secure communications with your site. You can also keep history of communication and the all of the cookies so that all transactions are listed. Be certain all your blogs get SSL security for utmost protection from hackers.
But realize that security is something that you must start thinking about. Do not just be the reactive type, consider action to start protecting yourself. Don't let Joe the Hacker make your life miserable and turn everything that you've worked so hard.