Defense in Depth (DiD) refers to an information security approach in which a series of security mechanisms and controls are thoughtfully layered throughout a computer network to protect the confidentiality, integrity, and availability of the network and the data within.

What is meant by Defence in depth?

Defense in Depth (DiD) is an approach to cybersecurity in which a series of defensive mechanisms are layered in order to protect valuable data and information. If one mechanism fails, another steps up immediately to thwart an attack.

What is defense in depth and why is it important?

Why is defense in depth important? Defense in depth helps you ensure that you are protecting your systems as effectively as possible. ... By building in layers of security, you can reduce the chance of a single point of failure occurring in your systems.