Via using a repair hacked wordpress site backup plugin, the best way to ensure that your WordPress security is in my view. This is a fairly inexpensive, easy and elegant to use way to be sure your website is accessible to you.
Should the server of your site go down for will proceed with this. You will make no sales, get signups or no traffic to your site, and in short, you're out of business until you get the website back up again.
Exclude pages - This plugin adds a checkbox,"include this page in menus", which is checked by default. If you uncheck it, the page won't appear in any listings of webpages (which includes, and is usually restricted to, your page navigation menus).
Another step to take to make WordPress secure is to upgrade WordPress to the latest version. The main reason behind this wikipedia reference is that with every upgrade there also come fixes for security holes that are older which makes it essential to upgrade.
Software: If you've installed scripts that are free search Google for'wordpress security'. You'll get many tips on the best way to create your WP blog protected.