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'Disaster' comes from the Italian disastro, which means "unfavourable to one's stars", ultimately from the Greek astron (star), and reflects the key characteristic of a disaster which is its unintentional nature. Catastrophes which are intentional, such as terrorist attacks, are often called man-made or technological disasters.
See also: catastrophe, disaster relief, space disaster, list of disasters .
A disaster in database terminology is a loss of data which cannot be recovered.
See also: Business continuity planning
A disaster is the starting point of crisis. Disasters could vary in magnitude. In InfoSec there could be a small or big disaster in terms of expectancy loss. A small disaster doesn’t mean it is a crisis (a common misconception). It is still a disaster with lesser magnitude. That is how a boundary could be drawn between where a disaster ends and a crisis starts. A good ‘disaster recovery plan’ could always get back things to normal with controlled loss expectancy. On the other hand if a disaster converges to a crisis, recovery may not be a mode of option, but rather the focus would be to intelligently manage the way out of the situation that is in-tern called as ‘ Crisis Management ’.
Disasters