I back my blogs regularly using a free plugin WP DB Backup up. If anything happens I will always restore my blog to the settings. I use my blog to be scanned by WP Security Scan plugin that is free and WordPress Firewall to block requests to secure your wordpress website.
Hackers do not have the capability once you got these lined up for your own security, to come to a WordPress blog. You can have a safe WordPress account that provides you big bucks her comment is here from affiliate marketing.
Before you can delete the default admin account, you first need to create a user. To do this go to your WordPress Dashboard and click on User -> Create New User. Then enter all of the information you will need to enter.
Can you view that folder Imagine if you go to WP-Content/plugins? If so, upload this blank Index.html file inside that folder as well so people can not see what plugins you might have. Someone can use that to get access see it here because even if your version of WordPress is up to date, if you're using a plugin or an old plugin using a security hole.
The plugin should be regularly updated to remain current with the latest WordPress release, play nice and have WordPress and restore capabilities. The ability to clone your site (along with regular copies ) can be useful if you ever need to do an offline website redesign, among other things.