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Government Security Audit

State Government Agency

Industry

Government

Category

Security Auditing

Duration

15 months

Team Size

6 security auditors

Overview

Full-scope security audit and NIST framework implementation for state government systems requiring Authorization to Operate (ATO).

The Challenge

The agency needed to achieve NIST 800-53 compliance and obtain Authorization to Operate for systems handling sensitive citizen data, with strict federal oversight requirements.

  • Complex NIST 800-53 compliance requirements
  • Legacy systems requiring security controls
  • Sensitive citizen data protection requirements
  • Federal oversight and audit scrutiny
  • Limited budget and technical resources

Our Solution

We conducted comprehensive security assessment, implemented NIST 800-53 controls, and guided the agency through the ATO process with successful authorization.

Implementation Approach

1

Phase 1: NIST Gap Assessment

3 months

Comprehensive audit against NIST 800-53 moderate baseline. Identified 156 control gaps requiring remediation.

2

Phase 2: Control Implementation

8 months

Implemented technical, administrative, and physical controls. Developed security policies and procedures.

3

Phase 3: Evidence Collection

3 months

Collected and organized evidence for all 325+ NIST controls. Prepared System Security Plan and supporting documentation.

4

Phase 4: ATO Support

1 month

Supported formal security assessment and Authorization to Operate process. Achieved successful authorization.

Results

325+

NIST controls implemented

100%

Authorization to Operate granted

0

Federal audit findings

Annual

Recertification support ongoing

Technologies Used

NIST Cybersecurity FrameworkOSCALGRC platformsTenable.scSplunkAzure Government CloudCompliance automationEvidence collection tools

Southern Solve guided us through the complex ATO process with expertise and patience. We now have a sustainable compliance program.

Chief Information Security Officer

State Government Agency

NISTGovernmentComplianceATO

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