Identity does not replace endpoint, network, data or cloud controls. It gives those controls a shared way to recognize actors, evaluate context, apply policy and record accountability.
That makes identity a practical security control plane.
Takeaway Points:
Identity is more than a login service; it is a decision context for access throughout a session.
The useful unit of control is an actor–resource–action relationship, not simply a user account.
Human, device, workload and agent identities must be governed as connected parts of one system.
Domain tools remain essential. Identity coordinates them; it does not absorb their specialist functions.
A mature control plane closes the loop between signals, decisions, enforcement and feedback.
