Defense in Depth

With no security solution completely secure, Defense in Depth is a concept of taking a layered approach to security.

A Defense in Depth strategy essentially entails securing six layers, namely:

  1. Data
  2. Application
  3. Host
  4. Network
  5. Perimeter
  6. Policies, Procedures and People

Under the defense in depth approach, an organizations people are the last line of defense and hence need to be educated in recognizing and protecting against threats.

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