Most RMF guides will tell you:
“Just complete the SSP, SAR, and POA&M… and you’re good.”
That sounds nice.
It’s also completely misleading.
Because here’s what actually happens in the real world:
You get to Step 4 or Step 5…
Validators start asking questions…
Artifacts are missing…
Engineers don’t have screenshots…
Scans don’t align…
And suddenly your “almost done” ATO turns into a 3–6 month delay.
I’ve seen this happen more times than I can count.
And it always comes down to one thing:
The team didn’t understand what artifacts were actually required.
So let’s fix that.
What an ATO Really Requires (Not the Textbook Version)
At the highest level, every ATO package includes:
- System Security Plan (SSP)
- Security Assessment Report (SAR)
- Plan of Action & Milestones (POA&M)
- Risk Assessment Report (RAR)
These are the official components of an authorization package.
But here’s the part people don’t realize:
These are not the work.
These are just the containers.
The real work is everything that feeds into them.
And that’s where most ISSOs fall behind.
The RMF Artifact Mindset (This Changes Everything)
Before we get into the checklist, you need to shift how you think.
Most people think:
“Artifacts = documents I upload to eMASS.”
Wrong.
Artifacts are:
Proof that your system actually does what you say it does.
That’s it.
Every control in NIST SP 800-53 requires:
- A description (SSP)
- Evidence (artifacts)
- Validation (assessment)
If any one of those is weak…
Your ATO is weak.
The Complete RMF Artifacts Checklist (Real-World Breakdown)
This is the checklist that actually matters.
Not theory.
This is what shows up in real ATOs.
1. System Understanding Artifacts (Where Everything Starts)
If you don’t understand your system…
Nothing else matters.
And this is where most ATOs quietly fail before they even start.
Required Artifacts:
- System architecture diagram
- Data flow diagram
- Authorization boundary diagram
- Hardware inventory
- Software inventory
- Ports, Protocols, and Services (PPSM)
Real Insight (This Is Where ISSOs Struggle)
I’ve seen architecture diagrams that looked clean…
But didn’t match reality.
Missing servers.
Wrong data paths.
No external connections documented.
Then during assessment…
Everything breaks.
What “Good” Looks Like
A solid architecture diagram should:
- Show all system components
- Clearly define boundary vs external systems
- Map how data flows between nodes
- Align with your inventory lists
If your diagram doesn’t match your scans…
Validators will catch it immediately.
2. Control Implementation Artifacts (80% of the Work)
This is where your time actually goes.
Every control needs evidence.
Not explanations.
Not “we do this.”
Proof.
Common Artifact Types:
- STIG checklists (CKLs)
- ACAS/Nessus scan results
- Group Policy screenshots
- Audit logs
- Account management exports
- Patch compliance reports
- Configuration baselines
Real World Story
There was a discussion where someone asked:
“What artifacts do I actually need?”
And the answers weren’t theoretical.
They were things like:
- Raw scan files (.nessus)
- CKLs
- Hardware/software lists
- PPSM exports
That tells you everything you need to know.
People don’t struggle with controls.
They struggle with collecting real evidence.
What “Bad” Looks Like
- Screenshots with no timestamps
- Outdated scan results
- Missing system components
- Generic explanations instead of proof
What “Good” Looks Like
- Evidence mapped directly to controls
- Recent and consistent across artifacts
- Matches your system architecture
- Easily traceable in eMASS
3. Assessment Artifacts (Where You Get Exposed)
This is where someone else evaluates your system.
You don’t control the narrative anymore.
Required Artifacts:
- Security Assessment Plan (SAP)
- Security Assessment Report (SAR)
- Vulnerability scan outputs
- Test procedures
- Control validation results
Reality Check
You cannot fake this phase.
If your artifacts don’t align…
It shows immediately.
Common Issue
Teams wait until assessment to fix problems.
That’s too late.
Assessment is not where you prepare.
It’s where you prove.
4. Risk Artifacts (What Leadership Actually Reads)
This is the only part your AO truly cares about.
Everything else supports this.
Required Artifacts:
- POA&M
- Risk Assessment Report (RAR)
- Vulnerability summaries
- Risk acceptance documentation
If your POA&M looks like this:
“All findings will be resolved in 30 days”
You just lost credibility.
What Strong Risk Artifacts Look Like
- Realistic timelines
- Clear ownership
- Justified risk decisions
- Alignment with system impact level
5. Operational & Supporting Artifacts (The Hidden Delays)
These are the silent killers.
They don’t seem urgent…
Until they block your ATO.
Required Artifacts:
- Incident Response Plan
- Contingency Plan
- Configuration Management Plan
- Continuous Monitoring Strategy
- Standard Operating Procedures (SOPs)
Real Insight
These prove your system isn’t just secure today.
It’s sustainable over time.
ATO Timeline: When Artifacts Actually Matter
Here’s how this plays out in reality:
Step 1–2 (Categorize / Select)
- Define system boundaries
- Build architecture diagrams
Step 3 (Implement)
- Start collecting control evidence
- Build inventories and baselines
Step 4 (Assess)
- Validate artifacts
- Generate SAR
Step 5 (Authorize)
- Present risk (POA&M, RAR)
Step 6 (Monitor)
- Maintain artifacts continuously
Key Insight
Most teams delay artifact collection until Step 4.
That’s why they fail.
The #1 Mistake That Delays ATOs
Treating artifacts like a checklist.
Instead of what they actually are:
A system of proof.
Your ATO is not:
“Do I have all the documents?”
It’s:
“Can I prove my system is secure?”
How Top ISSOs Handle Artifacts
Average ISSO:
- Collects artifacts at the end
- Scrambles before assessment
- Chases engineers
Top ISSO:
- Builds artifacts during deployment
- Aligns engineers early
- Tracks artifacts like a pipeline
The Simple Framework (Use This)
Every control needs:
- Description (SSP)
- Evidence (Artifacts)
- Validation (SAR)
No evidence = no control
No control = no ATO
Advanced Insight (What Separates Experts)
Here’s what experienced ISSOs do differently:
1. They Map Artifacts Early
Before implementation even starts.
2. They Align Engineers
They don’t “request artifacts.”
They design systems that generate them.
3. They Validate Continuously
Not just during assessment.
Common Validator Comments (And What They Mean)
- “Artifact does not match implementation”
→ Your documentation is wrong - “Evidence insufficient”
→ You explained instead of proved - “Missing components in architecture”
→ Your system understanding is weak
Final Takeaway
RMF isn’t complicated.
It’s disciplined.
You either:
- Build artifacts continuously
- Or suffer at the end
There’s no middle.
If You Want to Move Faster
Start asking this:
“What would convince me this system is secure?”
Then build artifacts that answer that.
That’s how you win RMF.
Leave a Reply