Security plugins can be purchased by you . There are many safety plugins out there that promises security for your blog. One is known as fix malware problems free Scan. This plugin scans the system . So that new hackers can't penetrate the system, Additionally, it updates the security.
Also, don't make the mistake of believing that your hosting company will have your back so far as WordPress copies go. Not always. It has been my experience that the hosting company may or may not be doing backups, while they say that they do. Why take that kind of chance?
Before you can delete the default admin account, you first must create a new user. To do this go to your WordPress Dashboard and click on User -> Create New User. Then enter all of the information you need to enter.
Pathological-looking phrases that were whitelists and black based on which field they appear inside, in a page see post request. (unknown/numeric parameters vs. known post bodies, comment bodies, etc.).
I prefer using a WordPress plugin to get the work done. Make sure is able to do copies, has restore functionality, and can clone. Be sure it is often updated to keep pace. There is not any use in backing your data up to a plugin that is out of date, and not working.