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Appendix A - ATO Readiness Task List

Phase
ID
Task
Min Weeks
Max Weeks
Security Control Baseline Selection
BASE-1
Determine Applicable Authorization Regime (RMF, FedRAMP, or CMMC)
0.2
0.6
Security Control Baseline Selection
BASE-2
Define Preliminary Authorization Boundary
0.4
1
Security Control Baseline Selection
BASE-3
Select Applicable Security Controls
0.6
1
Container Hardening
CONT-1
Containerize Custom Software Using Hardened Base Container Images
2
5
Container Hardening
CONT-2
Implement Application Security and Development (ASD) STIG Requirements for Containers
2
3
Container Hardening
CONT-3
Implement Container Security Requirements Guide (SRG)
0.6
1
Container Hardening
CONT-4
Remediate Container Vulnerabilities Identified by Static Scanning
0.6
2
Container Hardening
CONT-5
Address Runtime Security Findings
0.6
2
Container Hardening
CONT-6
Address Policy Enforcement Findings
0.2
1
DevSecOps Platform Setup
PLAT-1
Set Up Internal DevSecOps Platform
2
4
DevSecOps Platform Setup
PLAT-2
Package and Deploy Custom Software to Internal DevSecOps Platform
1
4
DevSecOps Platform Setup
PLAT-3
Integrate Custom Software with Platform-Provided Services
1.4
2.4
DevSecOps Baseline Evidence Automation
EVID-1
Implement Automated Container Build and Deployment Pipeline
1
1.4
DevSecOps Baseline Evidence Automation
EVID-2
Integrate Automated SBOM Generation in the Pipeline
1.4
2.2
DevSecOps Baseline Evidence Automation
EVID-3
Integrate Automated Vulnerability Scanning in the Pipeline
0.6
2
DevSecOps Baseline Evidence Automation
EVID-4
Integrate Automated OpenSCAP Container Scanning in the Pipeline
0.6
1
DevSecOps Baseline Evidence Automation
EVID-5
Leverage OSCAL/Compliance-as-Code for Control Tracking
0.6
1
DevSecOps Baseline Evidence Automation
EVID-6
Refine Application Audit Logging
0.6
1.4
DevSecOps Extra Supporting Automation
ESA-1
Implement Container Image Signing
0.2
0.6
DevSecOps Extra Supporting Automation
ESA-2
Implement Anti-Virus Scanning with ClamAV
0.4
1
DevSecOps Extra Supporting Automation
ESA-3
Integrate Static Application Security and Secret Scanning
1
3
DevSecOps Extra Supporting Automation
ESA-4
Integrate Automated Test Coverage
0.6
1.4
DevSecOps Extra Supporting Automation
ESA-5
Implement Fuzz Testing
0.6
1.4
Preliminary ATO Documentation Generation
GEN-1
Determine Final Authorization Boundary
0.4
0.6
Preliminary ATO Documentation Generation
GEN-2
Create Custom Software Architecture Diagrams
0.4
1.2
Preliminary ATO Documentation Generation
GEN-3
Create Ports, Protocols, Services Documentation
0.2
0.8
Preliminary ATO Documentation Generation
GEN-4
Create Security Control Compliance Narratives
0.8
1.6
Preliminary ATO Documentation Generation
GEN-5
Create System Security Plan
1.5
3
Preliminary ATO Documentation Generation
GEN-6
Create SRG/STIG Compliance Documentation
1
3
Preliminary ATO Documentation Generation
GEN-7
Create Continuous Monitoring Plan Documentation
0.4
0.6
Preliminary ATO Documentation Generation
GEN-8
Create Plan of Actions & Milestones
1.5
4
Preliminary ATO Documentation Generation
GEN-9
Create Privacy Documents
0.4
0.8
Preliminary ATO Documentation Generation
GEN-10
Create Threat Model Documentation
0.6
1
Preliminary ATO Documentation Generation
GEN-11
Create User Account and Identity Documentation
0.4
1
Preliminary ATO Documentation Generation
GEN-12
Create Operator Setup and Configuration Security Guide
0.6
2
Preliminary ATO Documentation Generation
GEN-13
Compile Initial ATO Package
0.2
1

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