In my opinion, the best way to make sure your is via using a secure your wordpress site backup plugin. This is a fairly inexpensive, elegant and easy to use way to make sure your site is available to you in the event of a disaster.
A simple way to maintain WordPress safe would be to use a few tools that are built-in. First of all, don't allow people run a web host security scan to list the documents in your folders and automatically backup your web hosting account.
You first must create a user with administrator rights before you can delete the default admin account. To do this go to your WordPress Dashboard and click on User -> Create New User. Enter all the information you need to enter.
Note that you should only try this step look at here for setups. You need to change the table names inside the database, if you would like to get it done for existing installations.
Keep in mind that the security of your sites depend on how you manage them. Make sure that you follow these strategies to avoid hacks and exploits on websites and your own blogs.