The general process of assessing and controlling risks arising from the environment surrounding an infrastructure (e.g., estimating the size of a backup generator plant to provide power continuity in case of utility power loss)
Physical protection against damage from natural causes and disasters as well as deliberate attacks including fire, flood, atmospheric electrical discharge, solar induced geomagnetic storm, wind, earthquake, tsunami, explosion, nuclear mishap, volcanic activity, biological hazard, civil unrest, mudslide, tectonic activity, and other forms of natural or man-made disaster shall be anticipated, designed and countermeasures applied.