Framework · NIST SP 800-53Rev. 5 · 20 families

Automate the 800-53 catalog, keep your ATO.

Name: Compyl NIST SP 800-53 Compliance
Brand: Compyl
Availability: InStock

NIST 800-53 is the deepest control catalog in the business, roughly a thousand controls, a System Security Plan to maintain, and POA&Ms that never fully close. Compyl’s NIST 800-53 compliance software maps the catalog to live evidence, keeps your SSP current, and turns continuous monitoring into something automatic.

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20 control families125+ integrationsContinuous monitoring

NIST SP 800-53 · Moderate baselineATO · ConMon active

84%ready

Baseline controls with live evidence243 / 289

SSP sections current18 / 20

Evidence Health91

AC · IAAU · SICM · 2 POA&Ms openCP · IRPM · RA

CM-6 · Configuration settingsDrift on 3 instances · POA&M-118 auto-created · milestone in 14 days

POA&M open

AC-2 · Account managementOkta lifecycle evidence current · SSP section regenerated today

Passing

ConMon · 289 controls checked hourly · 46 remaining to evidenceATO holds

The problem

An SSP is obsolete the day after you submit it

800-53 isn’t hard because the controls are unclear, it’s hard because there are so many, the SSP must stay current, and continuous monitoring means the work never stops.

The SSP drifts from reality

A System Security Plan is a living document in theory and a stale one in practice. The moment your environment changes, the SSP and the truth diverge.

POA&Ms pile up and stall

Every gap becomes a POA&M item with a milestone. Tracked in spreadsheets, they age, slip, and multiply until the backlog itself is the risk.

Continuous monitoring is anything but

ConMon is the requirement most programs fake with periodic snapshots. Assessors and authorizing officials can tell the difference.

How it works

One continuous loop, from connected systems to audit-ready

Compyl runs your 800-53 program as an always-on cycle, baseline, SSP, evidence, and POA&Ms stay in sync automatically.

Connect

Integrate cloud, identity, code, endpoint, and HR systems.

Collect evidence

Pull audit evidence automatically, in real time.

Map to controls

Link every artifact to its 800-53 control and baseline.

Monitor

Watch controls continuously and flag drift early.

Stay audit-ready

Hand assessors a current evidence pack on demand.

The catalog

20 families, one living program

800-53 spans 20 control families. Compyl groups them into a program you can actually run, each control mapped to live evidence.

Access & Identity

Foundation

AC · IA

Account management, least privilege, and authentication across every system.

Accounts · MFA · least privilege

Audit & Monitoring

Families

AU · SI

Audit logging, system integrity, and the assessments behind continuous monitoring.

Logging · integrity · ConMon

Config & Maintenance

Families

CM · SA

Configuration management, maintenance, and system and services acquisition.

Baselines · patching · acquisition

Contingency & IR

Families

CP · IR

Contingency planning, backups, and incident response when something goes wrong.

Backups · DR · incidents

Governance & Risk

Families

PM · RA

Program management, risk assessment, and planning, the backbone of the SSP.

Program · risk · SSP

Automated evidence

Stop assembling 800-53 evidence by hand

With a thousand possible controls, manual evidence collection for 800-53 simply doesn’t scale. Compyl gathers it continuously from your systems and maps each artifact to the right control.

Pull evidence automatically from cloud, identity, code, and endpoint tools
Every artifact mapped to the 800-53 control it supports
No more screenshots, spreadsheets, or last-minute requests
Export a complete, assessor-ready evidence pack on demand

Baseline evidence · collected automatically2,164 artifacts · live

AWS · config, CloudTrail, KMS612 artifacts · mapped to CM-6, AU-2, SC-28, SC-13

Synced 2m

Okta · users, MFA, groups288 artifacts · mapped to AC-2, IA-2, IA-2(1), AC-6

Synced 6m

CrowdStrike · endpoints410 artifacts · mapped to SI-3, SI-4, CM-8

Synced 9m

Policy library · plans, SSP96 artifacts · mapped to PL-2, PM-1, RA-3, CP-2

Synced 1h

Every artifact mapped to the 800-53 control it supportsAssessor-ready pack

Evidence Health · New in 26.2

Know your evidence is audit-ready, automatically

Collecting evidence is only half the battle; stale or incomplete proof is where assessments go sideways. Evidence Health continuously scores every artifact the moment it changes, so weak evidence surfaces weeks before an assessment, not during it.

Every artifact scored on relevance, freshness, and completeness
An AI summary spells out exactly what’s missing and why
Re-scores automatically whenever the underlying evidence changes
Gaps become POA&M items with time to fix, not findings

Evidence HealthNew in 26.2 · re-scores on change

ArtifactContingency plan test · CP-4

Score54 / 100

RelevanceHigh

FreshnessStale · 14 months

AI summary · what’s missingThe last contingency plan test predates the migration to a second region. CP-4 requires an annual test, and the SSP still describes the old failover. Re-run the exercise and regenerate the CP section before the next assessment window.

Create POA&MOpen SSP section

Weak evidence surfaces before the assessor asks, not during the assessmentScored continuously

Continuous monitoring

Catch control drift before the assessor does

800-53 requires continuous monitoring, not periodic snapshots. Compyl monitors every control continuously, scores your posture in real time, and turns the moment a control slips into a POA&M item, automatically.

Live posture across all 20 control families
Automatic alerts the moment a control drifts out of compliance
POA&M items auto-created with owners and milestones
A defensible, time-stamped ConMon trail your authorizing official can trust

Continuous monitoring289 baseline controls · checked hourly

Detected09:14 · CM-6 drift on 3 instances

POA&M createdPOA&M-118 · owner: Cloud

Milestonedue in 14 days

Closedauto re-check

CM-6 · Configuration settingsDrifted 09:14 · remediation in progress

Drifting

IA-2(1) · MFA for privileged accountsEnforced org-wide · last check 08:00

Passing

A defensible, time-stamped ConMon trail your authorizing official can trustAudit trail

Collect once, reuse everywhere

Your NIST SP 800-53 work becomes a head start on every other framework

800-53 is the control catalog beneath FedRAMP and maps directly to SOC 2, ISO 27001, and the NIST CSF. Compyl cross-maps each control so a single piece of evidence satisfies every framework it touches.

One control mapped to its equivalent across 70+ frameworks
Collect evidence once and reuse it across every report
See instantly how 800-53 readiness translates to FedRAMP or SOC 2
Add the next framework without starting the program over

One NIST SP 800-53 controlIA-2(1) · Multi-factor authenticationMFA enforced for privileged and non-privileged accounts · evidence from Okta and AWS IAM1 piece of evidence

Also satisfies

FedRAMP ModerateIA-2(1) · IA-2(2) Multi-factor authentication

Satisfied

SOC 2CC6.1 Logical access controls

Satisfied

ISO 27001A.8.5 Secure authentication · A.5.15 Access control

Satisfied

NIST CSF 2.0PR.AA-03 Users are authenticated

Satisfied

+ 70 more frameworks cross-mapped automatically

Baselines & the ATO

From baseline to authorization

800-53 controls are selected by baseline and carried through an authorization lifecycle. Compyl keeps both moving.

Baselines

Low, Moderate, or High

Per SP 800-53B, each system inherits a baseline based on impact level, then tailors controls to its environment.

Baselines: Low, Moderate, or High by impact level
Tailoring: Add, remove, or refine per system
With Compyl: The right control set mapped to evidence

The ATO lifecycle SSP → POA&M → ConMon

Authorization is a cycle, not a finish line

Documentation, assessment, remediation, and monitoring repeat for as long as the system runs.

SSP: A living System Security Plan
POA&M: Tracked gaps with milestones
With Compyl: Continuous monitoring that keeps the ATO

Why Compyl for NIST SP 800-53

Not a checkbox tool, a continuous compliance engine

Plenty of tools hold an SSP template. Compyl keeps the whole 800-53 program alive, current SSP, worked POA&Ms, and ConMon that’s real.

Continuous, not point-in-time

Baseline, SSP, evidence, and POA&Ms stay live year-round, so your ATO holds between assessments.

One connected system

Controls, evidence, risks, and policies in one platform, not a stack of disconnected tools.

125+ integrations

Pulls live data from the stack you already run, so posture reflects reality, not snapshots.

Agentic AI

AI maps controls, drafts remediations, and offloads busywork, your team stays in control.

Multi-framework by design

800-53 evidence carries over to FedRAMP, SOC 2, ISO 27001, and the NIST CSF without redoing the work.

Beyond NIST SP 800-53

Implement 800-53 once, extend to every framework that follows

Compyl cross-maps controls so the work you do for NIST 800-53 carries straight into FedRAMP and the next framework on your roadmap.

SOC 2 ISO 27001 ISO 42001 HIPAA GDPR PCI DSS NIST CSF MAS CCPA NIS2 70+ frameworks

Higher Education Energy & Utilities Integrations Evidence Studio

Recognized by users on G2 · Rated a leader by the teams who use it G2 Momentum Leader, Summer 2026

Control families mapped to live evidence and a living SSP

125+

Native integrations feeding evidence automatically

Real-time

Evidence collection, no manual screenshots

Year-round

Audit readiness instead of a pre-assessment scramble

“It has brought a sense of relief to my life because, for the first time, we have a real solution in place that is proactively keeping us protected.”

JSJon SeniorCTO · via G2

What is NIST SP 800-53, and how does Compyl help?

NIST SP 800-53 (Revision 5, current release 5.2.0 from August 2025) is NIST’s catalog of security and privacy controls, roughly a thousand controls across 20 families, that underpins FISMA compliance and FedRAMP authorization. Systems select a Low, Moderate, or High baseline (per SP 800-53B), document implementation in a System Security Plan (SSP), track gaps in a Plan of Action and Milestones (POA&M), and maintain an Authorization to Operate (ATO) through continuous monitoring. Compyl automates the 800-53 lifecycle. It connects to your systems, maps the right baseline to live evidence, keeps your SSP current, auto-generates and works POA&M items as gaps appear, scores evidence health, and runs continuous monitoring, so your ATO holds instead of decaying between assessments.

Baselines

Which NIST 800-53 baseline do we need, and how much of the catalog is that?

NIST SP 800-53 Rev. 5 holds roughly a thousand controls across 20 families. SP 800-53B selects a baseline by system impact level; FedRAMP and most agency ATOs start from one of these.

Baseline	NIST baseline (approx.)	Typical use	With Compyl
Low	≈150	Low-impact systems; FedRAMP Low tailors it to 156	Baseline pre-selected; SSP sections generated from control status
Moderate	≈290	Most agency systems; FedRAMP Moderate tailors it to 323	POA&Ms tracked to closure; continuous monitoring evidence
High	≈370	High-impact systems; FedRAMP High tailors it to 410	Full catalog mapped, with cross-walks to ISO 27001 and NIST 800-171

FAQ

NIST 800-53 questions, answered

What is NIST SP 800-53?

NIST SP 800-53 (Revision 5, current release 5.2.0 from August 2025) is NIST’s catalog of security and privacy controls, roughly a thousand controls across 20 families. It underpins FISMA compliance and FedRAMP authorization. Systems choose a Low, Moderate, or High baseline, document them in a System Security Plan, track gaps in a POA&M, and maintain an Authorization to Operate through continuous monitoring.

What is an SSP, a POA&M, and an ATO?

A System Security Plan (SSP) documents how each control is implemented. A Plan of Action and Milestones (POA&M) tracks gaps and the plan to close them. An Authorization to Operate (ATO) is the official’s decision to accept the residual risk and run the system, sustained through continuous monitoring.

How do baselines work?

Per SP 800-53B, each system is assigned a Low, Moderate, or High baseline based on the impact of a compromise. That baseline defines the starting control set, which is then tailored to the system’s specific environment and risk.

How does Compyl automate NIST 800-53?

Compyl maps the right baseline to live evidence, keeps your SSP current, auto-generates and works POA&M items as gaps appear, scores evidence health, and runs continuous monitoring, so your ATO holds instead of decaying between assessments.

How does Compyl score evidence quality?

Compyl 26.2 introduced Evidence Health, which continuously scores every piece of evidence on relevance, freshness, and completeness, with an AI summary of gaps, so ConMon reflects reality, not a periodic snapshot.

Can 800-53 work satisfy FedRAMP and other frameworks?

Yes. 800-53 is the catalog beneath FedRAMP and maps directly to SOC 2, ISO 27001, and the NIST CSF. Compyl cross-maps each control so a single control and its evidence satisfy every framework it touches.

Who is Compyl’s NIST 800-53 solution designed for?

Security and GRC teams at government agencies, federal contractors, and cloud providers pursuing FedRAMP, CISOs, ISSOs, and compliance leads who must maintain an SSP, work POA&Ms, and keep an ATO.

What is the latest version of NIST SP 800-53?

Revision 5, currently release 5.2.0 from August 27, 2025. The update strengthened software update and patch controls and added SA-15(13), SA-24 and SI-02(07). NIST has not published a Revision 6 draft.

What is FedRAMP 20x and does it replace Rev 5?

FedRAMP 20x is FedRAMP’s automation-first authorization path. Its Low and Moderate pilots ran through 2025 and 2026, with the first Moderate authorizations in March 2026. FedRAMP says it will stop accepting new Rev 5 certifications on June 11, 2027, with a transition for existing providers.

How many controls are in the FedRAMP Moderate baseline?

FedRAMP’s Rev 5 Moderate baseline has 323 controls, Low has 156 and High has 410. They differ from the NIST SP 800-53B baselines because FedRAMP tailors them; for example, it adds seven controls to NIST’s 149-control Low baseline.

GRC your way

Keep your ATO, without drowning in the catalog

See how Compyl maps the 800-53 baseline to live evidence, keeps your SSP current, and works your POA&Ms automatically.

Request a demo See all frameworks →

Last reviewed September 2026 by the Compyl GRC team