Backing up your blog also helps in securing from fix wordpress malware scanner hackers. You must keep a copy of your documents hide away in system you can be confident of your database. This makes you a protected files that serves you in times of down that is sudden is the machine. Hackers are less likely to steal from a bonded back up system.
Is also significant. You need to backup database and all the files so in case of a sudden attack, you can bring back your blog like nothing.
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 possible. Definitely more, if you make changes and additions to your site. If you make changes multiple times a day, or have a community of people that are in there all the time, a backup check my blog should be a minimum.
Another step to take to make WordPress more secure is to upgrade WordPress. The main reason great site behind this is that there also come fixes for older security holes which makes it essential to update early.
However, I advise that you set up the Login LockDown plugin instead of any.htaccess controls. This will stop login requests from being permitted from a certain IP address for one hour after three failed login attempts. You can access your panel whilst and yet you still have protection against hackers, if you do that.