This Thesis talks about the security threads that is a problem for any server, what is the best ways to protect a server from such threads, and the Windows server 2016 security features that is available for the system administrator to use against such cyber security threads.In conclusion, the internet is a beautiful yet unsafe place, and Microsoft knows that. That is why they implemented many new security features and improved on the old ones in their Windows Server 2016 so system administrators can use them to provide the highest level of security for the firm they work in. Also knowing the best security practices, what kind of attacks to expect and how to defend the server against them is the best security solution.