Are you running a website then backup your WordPress is most important save you from bad situation then you can restore it when its needed.
How to Restore WordPress Backup from cPanel
Take a Regular backup and In this article you will learn how to Restore WordPress backup from cPanel when it is required.
How to take Backup of Website from cPanel
Taking a Regular Backup of your Website is a good practice. Learn here how to take a backup from your website cPanel and secure your website