Tiering
Tiering is the separation of administrative scopes into different sensitivity levels so that high-risk assets are isolated from lower-trust environments.
Definition
Tiering is a privileged access design principle that separates systems, accounts, workstations, and administrative responsibilities according to sensitivity tiers. Its purpose is to prevent an attacker who compromises a lower-level asset from moving directly into the most critical identity or infrastructure layers.
The Ariovis perspective
Privileged security should begin by reducing standing privilege, governing accounts and automating grants and revocations. Vaults, bastions and session controls are reserved for the use cases that genuinely need them.
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