NIST SP 800-53 Monthly Maintenance Support Services
Maintain Continuous Compliance with FISMA, FedRAMP, and Federal Security Standards
Who This Is For
• Federal Agencies & Government Contractors
Required to comply with FISMA and implement NIST SP 800-53 Rev. 5 controls for information systems.
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Required to comply with FISMA and implement NIST SP 800-53 Rev. 5 controls for information systems.
• FedRAMP Authorized CSPs or Candidates
Seeking to maintain Authority to Operate (ATO) through ongoing system security documentation and monitoring.
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Seeking to maintain Authority to Operate (ATO) through ongoing system security documentation and monitoring.
• Managed Security Service Providers (MSSPs)
Supporting government clients or subcontractors with security program implementation and monitoring.
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Supporting government clients or subcontractors with security program implementation and monitoring.
• IT & Security Teams Managing Low, Moderate, or High Baseline Systems
Responsible for continuous monitoring, control execution, and documentation under RMF.
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Responsible for continuous monitoring, control execution, and documentation under RMF.
• vCISOs, Information System Owners, and Security Control Assessors (SCAs)
Maintaining authorization packages, SSPs, POA&Ms, and audit trails for federal environments.
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Maintaining authorization packages, SSPs, POA&Ms, and audit trails for federal environments.
• Organizations Aligning with CMMC, 800-171, or ISO Frameworks
Using NIST 800-53 as their internal security baseline and control structure.
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Using NIST 800-53 as their internal security baseline and control structure.
What’s Included
1. Monthly Control Review & Evidence Collection
• Track implementation of baseline controls (Low, Moderate, High)
• Update evidence mapped to each control and control enhancement
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• Track implementation of baseline controls (Low, Moderate, High)
• Update evidence mapped to each control and control enhancement
2. SSP & POA&M Maintenance
• Monthly updates to your System Security Plan and open POA&M items
• Manage remediation timelines and document progress
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• Monthly updates to your System Security Plan and open POA&M items
• Manage remediation timelines and document progress
3. Security Incident Monitoring & Reporting Logs
• Support review of logged events, incidents, and responses
• Align with AU, IR, and SI control families
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• Support review of logged events, incidents, and responses
• Align with AU, IR, and SI control families
4. Continuous Monitoring Support
• Maintain control execution status and monitoring artifacts
• Support audit readiness under RMF Step 6 (Monitor)
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• Maintain control execution status and monitoring artifacts
• Support audit readiness under RMF Step 6 (Monitor)
5. Monthly Compliance Review Session
• 60-minute session with a NIST compliance advisor
• Walkthrough control changes, system updates, and evidence submission
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• 60-minute session with a NIST compliance advisor
• Walkthrough control changes, system updates, and evidence submission
6. Documentation Version Control & Audit Trail
• Maintain current versions of policies, plans, and implementation procedures
• Support for annual and quarterly updates tied to ATO renewal timelines
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• Maintain current versions of policies, plans, and implementation procedures
• Support for annual and quarterly updates tied to ATO renewal timelines
7. Platform Support (IntelComp Optional)
• Dashboard with task alerts, document repository, and audit prep tracking
• Real-time visibility into control status, exceptions, and deadlines
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• Dashboard with task alerts, document repository, and audit prep tracking
• Real-time visibility into control status, exceptions, and deadlines
Optional Add-On Services
• RMF Step-by-Step Support (Prepare through Monitor)
• SSP Rewrite and NIST-800-53 Control Alignment
• FedRAMP Control Mapping and Package Readiness
• Internal Audit Simulations & Pre-Assessment
• Integration with ISO 27001 or CMMC 2.0
PRICING
Pricing is customized based on system boundary complexity, baseline level (Low, Moderate, High), documentation maturity, and control family coverage. Final proposals are delivered after a discovery session.
| Tier | Coverage | Monthly Fee | Setup Fee |
|---|---|---|---|
| Essentials | Low Baseline, Small Systems | Estimated Range | Discussed After Discovery |
| Standard | Moderate Baseline, Single-ATO Systems | Estimated Range | Discussed After Discovery |
| Enterprise | High Baseline / FedRAMP / Multi-ATO Systems | Custom Quote | Based on Scope |
Note: Final pricing depends on number of systems, control inheritance structure, implementation status, and monitoring tools in place.
INDUSTRY BENCHMARKING
| Support Level | Monthly Fee (Avg.) | Setup Fee (Avg.) |
|---|---|---|
| Low Baseline (FISMA) | $1,250 – $2,500 | $2,000 – $4,000 |
| Moderate Baseline (FedRAMP LI-SaaS) | $2,500 – $5,000 | $3,500 – $7,000 |
| High Baseline / FedRAMP Moderate+ | $6,000 – $12,000+ | $6,000 – $15,000+ |