Okay, you got me: WordPress security isn't the sexiest way to spend your time, but it could end up being one of the most profitable! Nothing is more caustic to the lining of your stomach than having your site go down, and wondering whether or not you've lost it all.
By default, the latest version of WordPress is pretty darn secure. The development team of WordPress has considered anything which may have been added to any fix wordpress malware scanner plugins. In the past , WordPress did have holes but now most of them are stuffed up.
Everything you've worked for will go with this should the server of your site return. You'll make no sales, get signups or no traffic to your website, until you have the site back up 32, and in short, you are out of business.
What is the solution you should choose? Out of all the possible choices you can make, which one should you choose and which one is right view for you right now?
You may extend the plugin features with premium plugins such as: Amazon S3 plugin, Members only plugin, DropShop etc.. I think you can use it and this plugin is a good option.
Change your password, or at least your WordPress admin and password username and collect and use other WordPress security tips to keep hackers out!