Backing up your site regularly helps in procuring from clean hacked wordpress site hackers. You must keep a copy of your files hide away in system so you can be confident of your database. This makes you a protected files that serves you in times of down that is unexpected is the system. Hackers are not as likely to steal from a bonded back up system.
Protect your login credentials - Don't keep your login credentials where a hacker might locate them. Store them off, as well as offline. Roboform is for protecting them very good , too. Food for thought!
Move your wp-config.php file one directory up from the WordPress root. WordPress will search for it there if it can't be found in the main directory. Additionally, nobody else will have the ability to read the file unless they've FTP or SSH access.
WordPress is one of the most popular platforms for sites and self-hosted sites. While WordPress is pretty secure out of the box, there are always going to be individuals who wish to create trouble by finding a way to split into accounts or sites to cause damage or inject hidden spammy links. That's why it's important to be certain that your WordPress installation is additional info as secure as possible.
Do not use wp_ as a prefix for your databases. Most web hosting providers are eliminating that default but if yours doesn't, adjust wp_ to anything else but that.