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 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
5 Best Backup Plugins for WordPress
Taking regular backup of your WordPress website is essential for you so go through from the best backup plugins for WordPress website