Defense in Depth
Classification Key
: Security Pattern Space
Problem
A security failure in a compartment can cause the whole system to crash.
How can we make the system robust against security failures?
Solution
Employ security measures at multiple layers of an application and throughout its operating environment.
Defense In Depth is more a security principle. In fact this is considered to be the core security principles for system architecture.
Known Uses
qmail does not employ only one security mechanism, rather it has security solutions built in different levels of architecture.
Source
Hafiz et. al.
Tags
Deep Defense
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