Vote for ShadowServer
ShadowStor ShadowServer provides high availability for servers so that downtime and the associated costs are held to a minimum. ShadowServer provides a system recovery. Avoid web server defacement, security leaks and other issues that cause server downtime. Prevent spyware and malware, avoid viruses, worms and trojans. Test software installations and updates safely. Preserve orginial system configuration and performance. ShadowStor's allows you to activate ShadowMode which takes a snapshot of your server and runs a virtual twin. Your server runs as it always has, allowing you to serve up web pages, run applications or offer file and print services. If your server has any problems simply reset the system and restore it immediately back to your original, optimal state.