Concept of secure function

Definition
A concept of secure function is

"[a] strategy for the proactive and reactive protection capability of the system throughout the system life cycle. This strategy strives to: prevent, minimize, or detect the events and conditions that can lead to the loss of an asset and the resultant adverse impact; prevent, minimize, or detect the loss of an [asset]] or adverse asset impact; continuously deliver system capability at some acceptable level despite the impact of threats or uncertainty; and recover from an adverse asset impact to restore full system capability] or to recover to some acceptable level of system capability. |undefined"