Run your own URL shortening service with YOURLS, a small set of PHP scripts. You can make it private or public, you can pick custom keyword URLs, it comes with its own API. You will love it.
You can easily update your application from inside the cPanel.
We use mod_security to add an extra layer of security on top of your web application.
With TrueHoster, you get the same application and configuration regardless of the hosting you are deploying YOURLS to. This makes it easy to migrate between different servers using cPanel.