Complete Guide on Physical Security

Importance of Physical Security:
Physical security is a critical aspect of information security as it provides protection against potential intrusions, disruptions, and physical damage to tangible assets. It complements cybersecurity measures by preventing unauthorized physical access to resources such as computers, servers, or buildings.

What is Physical Security:
Physical Security refers to the protection of personnel, hardware, software, networks and data from physical actions and events that could cause serious loss or damage. This includes protection from floods, fire, natural disasters, burglary, theft, vandalism, terrorism and so on.

How Physical Security works:
Physical security works based on a multi-layered approach known as 'Defence in Depth'. It comprises of Deterrence - to discourage potential attacks, Detection - to identify any threat or attacks, Delay- to slow down the progress of an attack and Response- to address the attack.

Exam Tips - Answering Questions on Physical Security:
Understand the basic principles of physical security and how they are implemented in different scenarios. Know the types of physical security measures including locks, alarms, access control systems, etc. Be aware of the role played by physical security in the larger scope of information security. Remember that the best security approach often involves a combination of physical and cyber security measures.