Runbook 03 — Enterprise Google Cloud Security Review
Purpose
Section titled “Purpose”This runbook represents the GoHackersCloud Enterprise Cloud Security Review Methodology used by Cloud Security Consultants and Cloud Penetration Testers when performing complete Google Cloud security assessments.
Unlike individual service assessments, this runbook evaluates the entire Google Cloud environment from a business, architectural, operational, and security perspective.
The goal is to determine whether the organization’s Google Cloud environment follows security best practices, supports business objectives, and effectively protects critical assets.
Assessment Objectives
Section titled “Assessment Objectives”During this review you will:
- Understand the customer’s business.
- Review enterprise cloud architecture.
- Assess identity and access management.
- Evaluate infrastructure security.
- Assess applications and data protection.
- Review monitoring and security operations.
- Evaluate governance and compliance.
- Identify business risks.
- Produce executive and technical reports.
Assessment Scope
Section titled “Assessment Scope”The review includes:
- Google Cloud Organization
- Folders
- Projects
- Shared VPC
- IAM
- Service Accounts
- Compute Engine
- Google Kubernetes Engine (GKE)
- Cloud Storage
- Cloud SQL
- Cloud Functions
- Secret Manager
- BigQuery
- Cloud Logging
- Cloud Monitoring
- Security Command Center
- Organization Policies
- Governance
- Compliance Controls
Enterprise Security Review Workflow
Section titled “Enterprise Security Review Workflow”Business Discovery
↓
Architecture Review
↓
Identity Assessment
↓
Infrastructure Assessment
↓
Application & Data Security Review
↓
Security Operations Review
↓
Governance & Compliance Review
↓
Risk Assessment
↓
Executive Reporting
↓
Technical Reporting
↓
Remediation RoadmapPhase 01 — Business Discovery
Section titled “Phase 01 — Business Discovery”Objective
Section titled “Objective”Understand the organization’s business before reviewing technical controls.
Review
Section titled “Review”- Business objectives
- Critical business applications
- Regulatory requirements
- Security requirements
- Risk appetite
- Business priorities
Deliverables
Section titled “Deliverables”- Business Context Summary
- Assessment Scope
- Critical Asset Inventory
Phase 02 — Enterprise Architecture Review
Section titled “Phase 02 — Enterprise Architecture Review”Objective
Section titled “Objective”Understand how the Google Cloud environment has been designed.
Review
Section titled “Review”- Organization Structure
- Folder Hierarchy
- Project Structure
- Landing Zone
- Shared VPC
- Hybrid Connectivity
- High Availability
- Disaster Recovery
- Multi-Region Architecture
Validate
Section titled “Validate”- Architecture consistency
- Resource organization
- Environment separation
- Scalability
- Security by design
Deliverables
Section titled “Deliverables”- Enterprise Architecture Diagram
- Architecture Assessment Report
Phase 03 — Identity & Access Management Review
Section titled “Phase 03 — Identity & Access Management Review”Objective
Section titled “Objective”Assess identity security across the organization.
Review
Section titled “Review”- IAM Policies
- Users
- Groups
- Service Accounts
- Workload Identity
- Administrative Roles
- Custom Roles
- Organization Policies
Validate
Section titled “Validate”- Principle of Least Privilege
- Separation of Duties
- Multi-Factor Authentication (MFA)
- Identity Governance
- Privileged Access Management
Deliverables
Section titled “Deliverables”- IAM Assessment Report
- Identity Risk Register
Phase 04 — Infrastructure Security Review
Section titled “Phase 04 — Infrastructure Security Review”Objective
Section titled “Objective”Assess infrastructure security controls.
Review
Section titled “Review”- Compute Engine
- Google Kubernetes Engine
- Virtual Private Cloud
- Firewall Rules
- Load Balancers
- Cloud NAT
- VPN
- Private Google Access
- DNS Configuration
Validate
Section titled “Validate”- Network segmentation
- Secure configuration
- Encryption
- Administrative access
- Resource hardening
Deliverables
Section titled “Deliverables”- Infrastructure Security Report
- Network Architecture Review
Phase 05 — Application & Data Security Review
Section titled “Phase 05 — Application & Data Security Review”Objective
Section titled “Objective”Assess enterprise application and data security.
Review
Section titled “Review”- Cloud Storage
- Cloud SQL
- BigQuery
- Cloud Functions
- Secret Manager
- APIs
- Data Classification
- Encryption
- Backup Strategy
Validate
Section titled “Validate”- Data protection
- Access controls
- Secret management
- Application identity
- Secure configuration
Deliverables
Section titled “Deliverables”- Application Security Report
- Data Protection Assessment
Phase 06 — Security Operations Review
Section titled “Phase 06 — Security Operations Review”Objective
Section titled “Objective”Evaluate operational security maturity.
Review
Section titled “Review”- Cloud Logging
- Cloud Audit Logs
- Cloud Monitoring
- Security Command Center
- Alert Policies
- SIEM Integration
- Incident Response Procedures
- Threat Detection
Validate
Section titled “Validate”- Log coverage
- Monitoring visibility
- Alert effectiveness
- Investigation capability
- Incident response readiness
Deliverables
Section titled “Deliverables”- Security Operations Assessment
- Monitoring Maturity Report
Phase 07 — Governance & Compliance Review
Section titled “Phase 07 — Governance & Compliance Review”Objective
Section titled “Objective”Assess organizational governance.
Review
Section titled “Review”- Organization Policies
- Security Standards
- Resource Tagging
- Change Management
- Cost Governance
- Compliance Controls
- Risk Management
- Security Documentation
Validate
Section titled “Validate”- Governance maturity
- Policy enforcement
- Documentation quality
- Compliance readiness
Deliverables
Section titled “Deliverables”- Governance Assessment
- Compliance Readiness Report
Phase 08 — Risk Assessment
Section titled “Phase 08 — Risk Assessment”Objective
Section titled “Objective”Prioritize findings according to business impact.
Review
Section titled “Review”For every finding document:
- Finding ID
- Description
- Affected Assets
- Technical Impact
- Business Impact
- Likelihood
- Risk Rating
- Recommendation
- Remediation Priority
- Evidence
Risk Classification
Section titled “Risk Classification”| Risk Level | Description | Response Time |
|---|---|---|
| Critical | Immediate business risk | Immediate |
| High | Significant security weakness | 30 Days |
| Medium | Moderate security weakness | 90 Days |
| Low | Improvement opportunity | Planned |
| Informational | Best practice recommendation | As Required |
Phase 09 — Executive Reporting
Section titled “Phase 09 — Executive Reporting”Prepare an executive-level report.
Include
Section titled “Include”- Engagement Overview
- Executive Summary
- Overall Security Posture
- Executive Dashboard
- Critical Risks
- Top Recommendations
- Business Impact
- Cloud Security Maturity
- Strategic Roadmap
Audience:
- CIO
- CISO
- Security Leadership
- Executive Management
Phase 10 — Technical Reporting
Section titled “Phase 10 — Technical Reporting”Prepare a detailed technical report.
Document
Section titled “Document”- Assessment Methodology
- Architecture Review
- IAM Assessment
- Infrastructure Assessment
- Application Assessment
- Security Operations Review
- Governance Assessment
- Risk Register
- Screenshots
- Evidence
- Technical Recommendations
Audience:
- Security Engineers
- Cloud Engineers
- DevOps Teams
- Platform Teams
- Security Operations Center (SOC)
Common Enterprise Findings
Section titled “Common Enterprise Findings”Enterprise Google Cloud assessments frequently identify:
- Excessive IAM permissions
- Over-privileged Service Accounts
- Weak network segmentation
- Publicly exposed resources
- Inconsistent firewall rules
- Weak secret management
- Missing encryption controls
- Incomplete logging
- Limited monitoring coverage
- Governance documentation gaps
- Weak identity lifecycle management
- Poor resource organization
Consultant Best Practices
Section titled “Consultant Best Practices”Professional consultants should always:
- Understand business objectives before reviewing technical controls.
- Review architecture before assessing individual services.
- Validate every finding with evidence.
- Prioritize recommendations based on business impact.
- Keep executive reporting concise and business-focused.
- Provide technical teams with actionable remediation guidance.
- Maintain professional documentation throughout the engagement.
- Protect customer data and confidentiality during all assessment activities.
Assessment Checklist
Section titled “Assessment Checklist”- Business requirements reviewed
- Architecture assessed
- IAM reviewed
- Infrastructure reviewed
- Networking assessed
- Compute Engine reviewed
- GKE reviewed
- Cloud Storage assessed
- Cloud SQL reviewed
- Cloud Functions assessed
- Secret Manager reviewed
- Logging validated
- Monitoring assessed
- Governance reviewed
- Compliance assessed
- Risk register completed
- Executive report completed
- Technical report completed
- Remediation roadmap prepared
Expected Deliverables
Section titled “Expected Deliverables”At the end of the review you should have:
- Enterprise Architecture Assessment
- IAM Security Assessment
- Infrastructure Security Review
- Network Security Assessment
- Application Security Assessment
- Data Protection Assessment
- Security Operations Assessment
- Governance & Compliance Assessment
- Executive Dashboard
- Risk Register
- Executive Security Report
- Technical Assessment Report
- Cloud Security Scorecard
- Remediation Roadmap
- Management Presentation
Skills You Will Develop
Section titled “Skills You Will Develop”By completing this runbook you will be able to:
- Lead enterprise Google Cloud security assessments.
- Assess cloud environments using a structured consulting methodology.
- Review cloud architecture from both business and technical perspectives.
- Evaluate identity, infrastructure, applications, and operations as an integrated environment.
- Produce executive and technical deliverables expected during professional consulting engagements.
- Prioritize security improvements based on organizational risk and business impact.
These are the same activities performed by Cloud Security Consultants, Cloud Penetration Testers, Cloud Security Architects, and Enterprise Cloud Security Engineers during authorized Google Cloud security engagements.
Related Labs
Section titled “Related Labs”- Lab 01 — Build Your Google Cloud Penetration Testing Lab
- Lab 02 — Google Cloud Identity & Infrastructure Assessment
- Lab 03 — Google Cloud Data & Application Security Assessment
- Lab 04 — Google Cloud Security Operations Assessment
- Lab 05 — Enterprise Google Cloud Penetration Test
Module Completion
Section titled “Module Completion”🎉 Congratulations!
You have completed the Google Cloud Penetration Testing module within the GoHackersCloud Cloud Penetration Tester Career Path.
You now have a complete methodology for:
- Planning cloud security engagements
- Reviewing Google Cloud architectures
- Assessing identity and infrastructure
- Securing applications and data
- Evaluating security operations
- Producing consulting-quality reports
- Delivering enterprise cloud security recommendations
These skills provide a strong foundation for performing real-world, authorized Google Cloud security assessments and prepare you for more advanced cloud offensive security, multi-cloud security, and enterprise consulting engagements.