CISSP Defense in Depth – Bk1D3T1St3
Defense in depth was first used to describe Roman Empire military tactics in the third and fourth centuries, when the Empire no longer tried to stop all invaders at the border, but instead deployed defenses to defeat attackers on Roman soil. In the context of information security, the U.S. National Security Agency first used the phrase to describe the use of multiple types, locations, and layers of defense combined with the ability to detect and …
