Let me shoot a few scare tactics your way since scare tactics seem to be what compels some people to take how to fix hacked wordpress site a little more seriously, or at least start thinking about the issue.
Do not depend on your internet host - Many people depend on their web host to"do all that technical stuff for me", not realizing that sometimes, they don't! Far better to have the responsibility lie with you, rather than out.
I don't think there's a person out there that after learning just how much of a problem WordPress hacking is that it's a fantastic idea. However is that when it comes to securing their blogs, bloggers seem to be stuck in this state.
Now we're getting into matters specific to WordPress. You must rename it to config.php and modify the document look at this site config-sample.php, when you install WordPress. You need to deploy the database facts there.
Just ensure you decide on a plugin that is up to date with release and the version of WordPress, and that you may schedule, restore and clone.