By default, the newest version of WordPress is pretty darn secure. The development team of WordPress has considered anything which may have been added to some fix hacked wordpress site plugins. Before, WordPress did have holes but now most of them are filled up.
I protect an access to important files on the blog's server by placing an index.html file in the particular directory, that hides the files from public view.
Maintain control of your assets - Nothing is worse than getting your livelihood in the hands of someone else. Why take chances with something as important as your website?
Now we are getting into matters specific to WordPress. Whenever you install WordPress, you have to edit the file config-sample.php and rename it to config.php. You need to install the database details there.
I prefer to use a WordPress plugin to get the work done. Just make sure is in a position to do backups, has restore and wikipedia reference can clone. Be sure that denver javascript programmers it is often updated to keep pace. There is not any use in backing up your data and not functioning.