What's the difference between an ATO and a FedRAMP authorization?

An ATO (Authority to Operate) is a single agency's risk-acceptance decision for a system under RMF (SP 800-37). A FedRAMP authorization is a standardized cloud-service authorization — via the program's baseline and continuous monitoring — that other agencies…

register 09 · Compliance pins· FedRAMP
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Answer.

Authorization / clearance regime · FedRAMP.

An ATO (Authority to Operate) is a single agency's risk-acceptance decision for a system under RMF (SP 800-37). A FedRAMP authorization is a standardized cloud-service authorization — via the program's baseline and continuous monitoring — that other agencies can reuse, avoiding a fresh review per agency. FedRAMP is essentially a reusable, cloud-specific ATO. Planisphere supplies measurement evidence that informs either decision; it is not itself an authorizing official.

02 ·

The mark behind the answer.

FedRAMP is an authorization gate: a package an authorizing official signs before the system may operate, plus a monitori…

Federal cloud authorization · Low/Mod/High + 20x machine-readable KSIs.

→ Full reference for FedRAMP

Prepare evidence for FedRAMP review.

First evidence record within 21 days of access · re-runs in a single business day. Planisphere measures model behaviour and emits a reproducible, sha-pinned record — it does not certify, file, or give legal advice.