A data center can be the nerve center of any organization which relies on computer systems for its day to day operations. Considering that the number of hackers out to steal corporate data from your servers is increasing by the day, proper data center security becomes one of the utmost concerns of data center administrators. If you think that it is time to improve your data center security, and it most certainly is, here are certain tips which should assist.
The very first thing that you must do is to separate the network administration related traffic from other, regular traffic of the network. The best way to do this is to eliminate of minimize the administrative traffic flowing to production servers. You should deploy proper event logging infrastructure and make sure that all the servers are configured not to accepts any administrative commands unless it comes from a regular network.
The next thing that you must do is to isolate and compartmentalize all the major business applications in such a manner that they become independent networks. In this way if one of the networks becomes exposed to any threat, it would not take down the entire data center with itself. The simplest example is defense against the distributed denial of services attacks. In case one of the networks of data center becomes exposed to such an attack, it would not take down , entire data center with itself.