Some locations of data centers require more security in place than others, and they make use of advanced security such as armed personnel, video surveillance as well as electrified perimeter fencing.
Some data centers even build custom servers for their centers and won’t sell them externally at all. They have also been designed without any unnecessary hard- and software so as to reduce risk. These security-tight data centers also have disaster recovery measures in place for fires and high winds to ensure users can continue working uninterrupted. During power failures, emergency backup generators continue to power data centers while servers automatically back up critical data.