Backing up your blog regularly also assists in securing from fix hacked wordpress database hackers. You must keep a copy of your documents hide away in system you can be confident of your database. This makes you a protected files that serves you in times of sudden down is the machine. Hackers are less likely to slip from a bonded back up system.
Backup plug-ins is also significant. You want to backup all the database and files so in case of a sudden attack, you can easily bring your own site back like nothing happened.
Keep your WordPress Installation up to date - One of the simplest and most valuable tasks you can do yourself is to make sure your WordPress installation is updated. WordPress provides a notice in your dashboard to you, so there's really no reason not to do this.
You can extend the plugin features with premium plugins like: Amazon S3 plugin, Members only plugin, DropShop etc.. I advice think you can use it and this plugin is a fantastic option.
Do your homework and some hunting, but if you're pressed for time and want to get this done once and for learn this here now all, try out the WordPress safety plugin that I use. It's a relief to know that my site (and business!) are secure.