
292 Handbook of SCADA/Control Systems Security
that are used to build something, perform a task, etc. The facilities are the spaces
within which work can be performed. Information may include instructions,
descriptions of status or state, etc. Supporting activities may involve the provision
of water, electrical power, etc. What is important here is that each one of these
would be considered some form of asset and the reason why it is included in
the process becomes the basis for what physical security has to protect. Within the
physical security realm, this is often referred to as the identication and valua-
tion of assets and is a step that ...