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.
clean hacked wordpress site Watch out form submissions. You can usethe data to be processed by Regexp from forms. You can also define preloaded variables as type data in the kind of checkboxes, radiobuttons etc..
Strong passwords - Do what you can to use a password, alpha-numeric. Easy to remember passwords are easy to guess!
Exploit Scanner goes in search of anything suspicious through the files on your website place, comment and database tables. You are also notified by it for odd plugin names. It doesn't remove anything, it warns you.
Safety plug-ins can be considered as a security checker that was full. They provide you get redirected here with information concerning the probable weaknesses of the website and scan and check the site.
Implementing all the above will probably take less than an hour to finish, while creating your WordPress website much more resistant to intrusions. Over 1 million WordPress sites were cracked last year, mainly due to preventable safety gaps. Have yourself prepared and you're likely to be on the safe side.