DoD CIP Lifecycle
As mandated by PDD 63, the DoD must protect its portion of the federal government's critical infrastructure. For DoD, this is the Defense Infrastructure or DI. Protecting the Defense Infrastructure is a complex task involving ten defense sectors.
It was deemed that it was nearly impossible to protect every critical asset at every location, therefore the focus was directed on protecting the critical Defense Infrastructure. The critical Defense Infrastructure is the critical assets essential to providing mission assurance.
Read more about this topic: Critical Infrastructure Protection