Considering the physical security, most organisations keep a surveillance camera, security guard and door access control. This we seen normal in physical security side. But physical security is more extended considering its threat. Threats to physical security come in many forms including natural disasters, emergency situations, and man-made threats. All possible threats must be identified in order to perform a complete and thorough risk analysis and to develop an appropriate and effective control strategy.

Some of the more common threats to physical security include:-
1. Fire
2. Water
3. Earthquakes
4. Severe weather
5. Electricity
6. Lightning strikes
7. Sabotage/terrorism/war/theft/vandalism
8. Equipment failure
9. Loss of communications and utilities
10. Personnel loss

Organisation need to build proper and adequate mechanism to protect information from these security threats.