|Verify WordPress is up-to-date||Make the WordPress version private|
|Block PHP in directories||Remove WordPress readme file|
|Enable DISSALLOW_FILE_EDIT in WordPress|
If someone knows what version of WordPress you are running, they may know exactly what vulnerabilities your site has. It is important to keep your version private in the event you do not update to the latest version right when it comes out.
You have now prevented your WordPress version from being viewed publicly.