Allow me to shoot a scare tactics your way since scare tactics seem to be what compels some people to take fix hacked wordpress database a bit more seriously, or at least start thinking about the problem.
I protect an access to important files on the blog's server by putting an index.html site here file in the particular directory, which hides the files out of public view.
Yes, you want to do regular backups of your website. I recommend at least a weekly database backup and a monthly "full" backup. More. If you make changes and additions to your site, definitely more. If you have a community of people which are in there all the time, or make changes multiple times every day, a daily backup should be a minimum.
Another step to take Learn More to make WordPress more secure is to always upgrade WordPress. The reason behind this is that with each new upgrade there come fixes for security holes that are old making it essential to upgrade early.
But realize that security is. Do not only be the reactive type, consider steps to begin today protecting yourself. Do not let Joe the Hacker make your life miserable and turn everything in creating come crashing down in a matter of moments that you've worked so hard.