In this article we will list some steps you can take to make sure your Exchange Server is running as securely as possible.
1. Harden the OS
We can’t stress enough how important it is to harden the OS that is hosting the Exchange Server. It might seem obvious to you but, in fact, many IT professionals seem to forget about this first basic step. You can try to harden the OS by yourself, or use some of the tools available out there to help you. The important thing here is to disable all unnecessary services and to patch the server regularly.
2. Run MBSA, SCW, SCM, and EBPA
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