FedRAMP baselines (Low, Moderate, High—and Li-SaaS variants) determine which NIST 800-53 controls apply. Picking the wrong baseline wastes time or leaves gaps.
This guide covers: Impact levels; How to choose.
GIF via GIPHY
Related: FedRAMP collection · fedramp requirements checklist guide for each baseline
Key takeaways
- Low: limited adverse effect; smallest control set.
- Moderate: most common for multi-tenant SaaS.
- High: federal systems with serious impact if compromised.
- Li-SaaS: tailored baseline for low-impact SaaS models.
Impact levels
Low: limited adverse effect; smallest control set.
Moderate: most common for multi-tenant SaaS.
High: federal systems with serious impact if compromised.
Li-SaaS: tailored baseline for low-impact SaaS models.
How to choose
Follow agency data classification and contract language.
Map your architecture: PII volume, availability, and shared responsibility.
Document rationale in the SSP.
Related guides
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SecureSlate helps teams automate evidence, control mapping, and audit-ready workflows for FedRAMP and related frameworks.
FAQ
How long does FedRAMP authorization take?
Timelines vary by baseline and maturity; many first-time Moderate efforts run roughly 12–24 months including remediation.
Can we reuse SOC 2 evidence for FedRAMP?
Often partially—cross-map controls in a GRC platform, then close FedRAMP-specific gaps (SSP depth, ConMon, federal inheritance).
Disclaimer (legal note)
General information only—not legal, audit, or attestation advice. Requirements depend on your contracts, system boundary, and assessor guidance.
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