The how to fix hacked wordpress site Codex has an outline of what permissions are okay. Directory and go to the website file permissions can be changed through an FTP client or within the page from the hosting company.
Backup plug-ins is also important. You want to backup all the files and database you can easily bring your blog back like nothing.
It represents a essential task, while it's an odd term . We're not simply being obsessive-compulsive here: servers go down every day, despite their claims of 99.9% uptime, and if you've had this happen to you, you know the fear is it can cause.
Now we're getting into things. Whenever you install WordPress, click reference you need to edit the document config-sample.php and rename it to config.php. You need to install the database details there.
Do your homework and some searching, but if you're pressed for time and need to get this done once and for all, try out the WordPress safety plugin that I use. It is a relief to know click for source that my website (and business!) are secure.