Website Modification Sentry - Version 1.0 Website Modification Sentry is an easy to use desktop application that enables you to safeguard your website(s) from hackers as it automatically alerts you to any website modifications. In addition, this software is ideal for keeping an eye on competitors and keeping up with the content which they are providing your target audience. Whether you are looking for software to ensure the integrity of your sites or a tool for spying on your competition Website Modification Sentry is a perfect solution.