Although there are an almost infinite amount of topics to consider when talking about network security, there are a couple of relevant issues that should be discussed. Since we plan to manage several domains, we need to make sure they are secure. One of the most common network attacks involves an intruder gaining access to one domain and then exploiting the intrusion by moving to another domain on the same system. An example would be a hacker gaining access to the server that hosts our website available on the general public Internet by using that access to then gain access to one of our private company domains. Active Directory helps alleviate some of the potential dangers by providing authentication to ensure that only authorized users are admitted