I've had two WordPress blogs. That was in a time when I was doing almost no internet marketing, and until I found time to deal with the situation (weeks later), these sites were penalized in the main search engines. They weren't eliminated, however the evaluations were reduced.
You can buy security plugins . There are security plugins out there that promises optimum security for your own blog. One is called fix wordpress malware plugin Scan. The system is continuously scanned by this plugin for enhancing the safety. So that hackers can't penetrate the system, it also updates the security.
Is also important. You want to backup database and all the files you can bring your site back like nothing.
Move your wp-config.php file up one directory from the WordPress root. WordPress will look for it if it cannot be found in the main directory. Additionally, nobody else will be able to read the document unless they've SSH or FTP access.
Another step to take to make WordPress more secure is to upgrade WordPress. try this The main reason for this is that with every new update there also come fixes for security holes that are older which makes it essential to update early.
Do your homework and some searching, but if you are pressed for time and need to get this done once and for all, try out the WordPress security plugin that I use. It is a relief to know that my site (and business!) are secure.