One of the most common techniques used by hackers to penetrate your network, is just plain-old password guessing. This goes for external hacking attempts as well as internal hacking attempts.This is the scenario how hackers can use tools to perform brute force password hacking in your Terminal Server environments and what you can to prevent these kinds of attacks. Terminal Server environments are juicy targets for hackers. In this article I showed some techniques hackers can use to perform brute force attacks against local administrator accounts. I also showed you what you can do to prevent these attacks. Please keep in mind that these are just pointers and only make up a small part of the steps you should take to secure your Terminal Server environment.