Installing the fix wordpress malware plugin Scan plugin will check all this for you, and alert you that you might have missed. Additionally, it will inform you that a user named"admin" exists. That is try this out the administrative user name. If you desire, you can follow a link and find instructions for changing that title. Personally, I think that a password is enough protection that is good, and there have been no successful attacks on the several sites that I run because I followed those steps.
You can search for software that will backup your files and database. You can easily restore your site by means of your files and change everything that must be changed, if hackers suddenly hack your website.
Recently, an unknown hacker murdered the blog of Reuters and posted a fake news article. Their reputation is already destroyed due to what the hacker did since Reuters is a popular news site. Something similar may happen to you in the event you don't pay attention on the security of your WordPress blog.
Install the WordPress Firewall Plugin. Prevent and this plugin investigates web requests with WordPress-specific heuristics that are simple to identify attacks.
Just make sure you choose a plugin that's up to date with release and the current version of WordPress, and which you can schedule, restore and clone.