Editing Data center (section)

===Security===
{{main|Data center security}}
Physical access is usually restricted. Layered security often starts with fencing, [[bollard]]s and [[mantrap (access control)|mantraps]].<ref>{{cite web|author=Sarah D. Scalet|url=http://www.csoonline.com/article/220665|title=19 Ways to Build Physical Security Into a Data Center|publisher=Csoonline.com|date=2005-11-01|access-date=2013-08-30|archive-date=2008-04-21|archive-url=https://web.archive.org/web/20080421020352/http://www.csoonline.com/article/220665|url-status=dead}}</ref> [[Video camera]] surveillance and permanent [[security guard]]s are almost always present if the data center is large or contains sensitive information. Fingerprint recognition mantraps are starting to be commonplace.

Logging access is required by some data protection regulations; some organizations tightly link this to access control systems. Multiple log entries can occur at the main entrance, entrances to internal rooms, and at equipment cabinets. Access control at cabinets can be integrated with intelligent [[power distribution unit]]s, so that locks are networked through the same appliance.<ref>{{Citation|title=Systems and methods for controlling an electronic lock for a remote device|date=2016-08-01|url=https://patents.google.com/patent/US9865109B2/en|access-date=2018-04-25|archive-date=2023-03-06|archive-url=https://web.archive.org/web/20230306024610/https://patents.google.com/patent/US9865109B2/en|url-status=live}}</ref>