When I was in college, one of my company instructors told us students that one of the biggest hurdles to making money in business was procrastination.
Backing up your site regularly also assists in securing from fix wordpress malware attack hackers. You have to keep a copy of your files hide away in system you can be certain 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 bonded back up system.
If you're one of the ones that are proactive, I might find it somewhat more difficult to crack your password. But if you're one of the reactive ones, I might get you.
I don't think there is a person out there that after learning how much of a problem WordPress hacking is that it's a fantastic idea. Something I've noticed over the years is that when it comes to securing their blogs, bloggers seem to be stuck in this reactive state.
You may extend the plugin features with premium plugins like: Amazon S3 plugin, Members only plugin, DropShop etc.. So I think you can use it for free and this plugin is a good option.
Implementing all of the above will probably take less than an hour to finish, while creating your WordPress site considerably more immune visit site to intrusions. Over 1 million WordPress sites were last year, largely due to preventable safety gaps. Have yourself prepared and you're likely to be on the safe side.