The latest release of a Microsoft security tool that's designed to stop exploits lets administrators control when third-party plugins are launched, a long favored route for attackers. Microsoft has been steadily improving and adding more capabilities to the Enhanced Mitigation Experience Toolkit (EMET), a free tool that strengthens the security of non-Microsoft applications by using defenses built within Windows, such as ASLR (Address Space Layout Randomization) and DEP (Data Execution Prevention).