Hi again Blake.
First thing to check is did you have latest version of Wordpress and to every version Upgrade install immediately.
Second thing is that you have proper settings permissions for files on server.
Related to Server you can't do to much, except to choose some well know service which install Upgrades to MySQL and other things ASAP.
For the end please check this advices also:
http://www.problogdesign.com/wordpress/11-best-ways-to-improve-wordpress-security/http://www.famousbloggers.net/improve-security-wordpress.htmlhttp://www.thesitewizard.com/blogging/secure-wordpress-blog.shtmlHope this will help you??
I also expect more reply's and advices for other SCF Members.
Best Regards,
Samker
P.S.
So sorry for my bad English...