Microsoft’s free tool in combating zero days and exploits is about to get a major release next week. Currently the Enhanced Mitigation Experience Toolkit (EMET) version 4.0 is in BETA. For those that are using a Microsoft environment and not deploying EMET, you are seriously missing out. EMET is one of those tools that takes a significant jump in the protection of your systems. EMET is a tool designed to prevent known and unknown exploits in a way that prevents traditional exploit methods. EMET has the following protection mechanisms built into it:
https://www.trustedsec.com/may-2013/emet-4-0-tutorial-and-overview/