Datacenter Safety and Security starts with a Risk and Threat Assessment, which combines threats, hazards, vulnerability and weaknesses and sets controls proportionate to identified risks. On basis of which an Operational Requirement is developed which is agreed by the business and thereby protection is justified.
The Datacenter treats can affect people, processes and technologies as factors combining to deliver the physical security, personnel security and information security controls that will protect the Datacenter and the services it delivers.
There should be a layered approach to security with consideration given to security of the external environment and providing a secure perimeter. The facility needs be separated into appropriate security zones to protect the most critical and sensitive assets with the ease of mange. These layers and zones should have appropriate physical protection, detection and monitoring systems to deter, detect and delay any threat.