Free NIST RMF Glossary (800+ Terms) | ATO, FedRAMP, 800-53, SP 800-37
Understand RMF fast: plain-English glossary for ATO, controls, and evidence
Stop losing time decoding RMF and ATO language. This free NIST Risk Management Framework (RMF) glossary gives you clear, plain-English definitions for the terms you’ll see across SP 800-37, SP 800-53, security assessment, continuous monitoring, and authorization packages.
Use it to:
Translate RMF jargon into actionable work
Align security, IT, compliance, and auditors on the same terminology
Speed up SSP, SAP/SAR, POA&M, control testing, and evidence collection
Reduce rework during Assess, Authorize, and Monitor
Includes:
Acronyms and key RMF concepts (ATO, AO, SSP, SAP, SAR, POA&M, CAM)
Control, assessment, and monitoring terminology
Evidence/artifact language used in audits and ATO packages
Quick reference formatting for fast lookup
Bonus (inside): brief “next step” recommendations to move from glossary → implementation.
Not affiliated with NIST or any government agency. Educational resource only.





















