WordPress is a system that is safe but applications has their own flaws and security holes are found on WP. This is why WP releases new updates . They instantly make some changes and supply a new update As soon as they discovered any vulnerability . If you want to know about the secure your wordpress site plugin, first you have to comprehend the different regions where these plug-ins work to help you protect your investment .
It all will start with the basics. Attempt to use complex passwords. Use spaces, numbers, special characters, and letters and combine them to make a password. You could also use.
Exploit Scanner goes through the files on your website post, comment and database tables seeking anything suspicious. You are also notified by it for odd plugin names. It does not remove anything, it simply warns you for threats.
You may extend the plugin features with premium plugins such as: Amazon S3 plugin, Members only plugin, DropShop etc.. I think this plugin is a good option and you can use it.
Do not use wp_. Web hosting providers are eliminating that default but if yours does not, fix useful content wp_ to anything but that.