NIST/FedRAMP Controls Testing Guide

Overview

This comprehensive guide provides practical testing methodologies and checklists for evaluating NIST and FedRAMP security controls in Google Cloud Platform (GCP) and Google Workspace environments. Whether you’re preparing for a FedRAMP assessment, conducting internal audits, or implementing NIST controls, these resources will help ensure thorough compliance validation.

Purpose

• Standardized Testing: Provide consistent methodologies for testing NIST/FedRAMP controls
• Google-Specific Guidance: Focus on GCP and Google Workspace implementation details
• Practical Tools: Include CLI commands, automation scripts, and assessment checklists
• Evidence Collection: Guide assessors in gathering appropriate documentation and artifacts

Control Families

Google Cloud Platform (GCP)

Control family	Scope	Guide
Access Control (AC)	User access, permissions, and authentication mechanisms	GCP Access Control Testing
Configuration Management (CM)	Baselines, change control, and security settings	GCP Configuration Management
Identification & Authentication (IA)	Identity management, MFA, and credential policy	GCP Identity & Authentication
System & Communications Protection (SC)	Network security, encryption, and data protection	GCP Communications Protection
System & Information Integrity (SI)	Monitoring, vulnerability management, and integrity	GCP System Integrity

Google Workspace

Workspace-specific control-testing guides are on the project roadmap. Until those are complete, use the general Workspace security guides and record product-specific evidence and inheritance assumptions explicitly.

Key Features

🎯 Control-Specific Checklists

• Step-by-step verification procedures
• Required evidence documentation
• Common implementation patterns

🛠️ Technical Implementation

• gcloud CLI commands for evidence collection
• API queries for automated testing
• Security Command Center integration

📊 Assessment Tools

• Pre-configured compliance reports
• Evidence collection templates
• Finding documentation formats

🔄 Automation Options

• Policy-as-Code examples
• Continuous compliance monitoring
• Integration with GCP native tools

Getting Started

1. Identify Your Baseline: Determine which FedRAMP baseline (Low, Moderate, High) or NIST framework applies
2. Review Control Families: Navigate to relevant control family guides
3. Execute Testing: Follow the checklists and use provided commands
4. Document Findings: Use templates to record evidence and observations
5. Remediate Issues: Address any identified gaps or deficiencies

Best Practices

Assessment Preparation

• Review the System Security Plan (SSP) before testing
• Ensure proper access permissions for evidence collection
• Coordinate with system owners for testing windows
• Document all assumptions and limitations

Common Pitfalls

• Testing in production without approval
• Incomplete evidence collection
• Missing control inheritance documentation
• Overlooking compensating controls

Resources

• NIST SP 800-53 Rev 5
• FedRAMP Control Baselines
• Google Cloud Security Best Practices
• Google Workspace Security Center

Roadmap

Current Release

• ✅ GCP Access Control (AC) Testing Guide
• ✅ GCP Configuration Management (CM) Testing Guide
• ✅ GCP Identification & Authentication (IA) Testing Guide
• ✅ GCP System & Communications Protection (SC) Testing Guide
• ✅ GCP System & Information Integrity (SI) Testing Guide

Upcoming Releases

• 🚧 Google Workspace Access Control Testing Guide
• 🚧 Google Workspace Data Protection Guide
• 🚧 Automated Compliance Scanning Tools
• 🚧 Integration with Security Command Center
• 🚧 Continuous Compliance Monitoring Playbooks

Contributing

We welcome contributions to improve and expand these testing guides. Please see our Contributing Guidelines for more information.

Support

For questions, corrections, or support regarding these testing guides, open a GitHub issue.