Defense in Depth (also known as layered security and layered defense) is an information assurance (IA) concept. It uses multiple layers of security controls (defenses) placed throughout an information technology (IT) system. The multiple layers are not of the same security tool. It uses several different kinds of security with each protecting against a different security attack.
Defense in depth (computing)
Questions and Answers
Q: What is Defense in Depth in computing?
A: Defense in Depth is a concept of information assurance in which multiple layers of security controls are placed throughout an IT system to protect against security attacks.
Q: What is the purpose of Defense in Depth?
A: The purpose of Defense in Depth is to increase the overall security of an IT system by using multiple layers of different security tools to protect against different types of security attacks.
Q: How many layers of security controls are there in Defense in Depth?
A: Defense in Depth uses multiple layers of security controls to increase the security of an IT system.
Q: Are all layers of security controls the same in Defense in Depth?
A: No, all layers of security controls in Defense in Depth are not the same. It uses several different kinds of security controls with each protecting against a different security attack.
Q: What are other names for Defense in Depth?
A: Defense in Depth is also known as layered security and layered defense.
Q: Is Defense in Depth used only for a specific type of IT system?
A: No, Defense in Depth can be used for any type of IT system to increase its overall security.
Q: What does IA stand for in the context of Defense in Depth?
A: IA stands for information assurance in the context of Defense in Depth.