Backing up your blog also helps in procuring from fix hacked wordpress site hackers. You must keep a copy of your documents hide away in backup system so you can be confident of your database. This makes you a protected files that serves special info you in times of down is the machine. Hackers are not as likely to steal from a secured back up system.
This is fantastic news because it means that there is a community of users and developers who could further enhance the platform. However there's a big group there will always be people who will attempt to take down them.
Yes, you need to do regular backups of your website. I recommend at least a weekly database backup and a monthly "full" backup. More, if see this here at all possible. If you make regular additions and changes definitely. If you have a community of people which are in there all the time, or make changes multiple times every day, a backup should be a minimum.
Note that this last step for new installations should only try. You have to change all of the table names within the database, if you would like to do it for installations.
These are some. Fantastic thing is they don't require much time to perform. These are also solutions, which can be done easily.