Backing up your site regularly also helps in securing from how to fix hacked wordpress hackers. You have to keep a copy of your documents hide away in system that you can be certain of your database. This makes you a protected backup files that serves you in times of down is the machine. Hackers are not as likely to slip from a bonded back up system.
A simple way to maintain WordPress safe would be to use a few built-in tools. First of all, do not allow people run a web host security scan, to list the documents in your folders and automatically backup your web hosting account.
Yes, you need to do regular backups of your site. I recommend at least a weekly database backup and a monthly "full" backup. More. If you make changes and frequent additions to your website, 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.
You can extend the plugin features with premium plugins like: Amazon S3 plugin, Members only plugin, DropShop etc.. I think this her comment is here plugin is a good choice and you can use it at no cost.
The plugin should be updated to stay current with the latest WordPress release, play nice with all of your plugins and have WordPress cloning and restore capabilities. The ability to clone your website (along with regular backups) can be useful if you ever want to do an offline website redesign, among other things.