When I was in college, one of my company instructors told us students that one of the greatest hurdles to making money in business was procrastination.
Backing up your site also assists in securing from fix wordpress malware virus hackers. You must keep a copy of your files hide away in backup system so that you can be confident of your database. This makes you a protected files that serves you in times of down is the system. Hackers are less likely to steal from a secured back up system.
I might find it a little harder to crack your password, if you're one of the ones that are proactive. But if you're one of those ones that are responsive, I might just get you.
For me it's a WordPress plugin. They are drop dead simple to set up, have all the features you need for a job like this, and are relatively inexpensive, especially when compared to having to hire someone to get this done for you.
Can you see that folder what if you go to WP-Content/plugins? If so, upload this blank Index.html file inside go to this site that folder as well so people can't see what plugins you have. Because even if your version of WordPress is up to date, if you're using an old plugin or a plugin using a security hole, someone can use this to get access.
Free software: If you have installed scripts that are free search Google for'wordpress security'. You will get many tips.