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CLOUD PENETRATION TESTING SERVICES

GCP Penetration Testing Services

GCP penetration testing is a manual, expert-led security assessment of your Google Cloud Platform environment that finds and proves exploitable weaknesses across IAM, service accounts, Cloud Storage, Compute Engine, and GKE, before an attacker does. Bluefire Redteam delivers Google Cloud penetration testing aligned to Google’s acceptable use and testing policy, with exploit-validated findings, developer-ready remediation, and a scoped quote within 24 hours.GCP penetration testing is part of our broader cloud penetration testing services, covering AWS, Azure, and Google Cloud.

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GCP Penetration Testing at a glance

  • What we test: IAM and service accounts, Cloud Storage (GCS), Compute Engine, Cloud Functions, GKE, Cloud SQL, VPC and firewall, organisation and project hierarchy
  • Aligned to: Google Cloud acceptable use and penetration testing policy (no prior approval for your own projects)
  • Access needed: a read-only Viewer or Security Reviewer role plus in-scope project list; grey-box: limited credentials
  • Production-safe: rate-limited, destructive and DoS techniques excluded by default
  • Deliverable: exploit-validated findings, MITRE-aligned reporting, developer-ready fixes, free retest
  • Turnaround: scoped quote in 5 hours

Trusted by global organisations

Flexify
AMDOCS
LOGWISE
FLOWZ
TSPI
E-SCIENCE
Nobel Systems
Mustad
Google cloud

What We Test in Your GCP Environment

  • Identity and Access Management (IAM) IAM is the primary GCP attack surface. We map effective permissions across users, groups, and service accounts, then find escalation paths including dangerous roles and permissions (setIamPolicy, iam.serviceAccounts.actAs, iam.serviceAccountKeys.create), custom-role over-permissioning, and paths to Owner or Organization Administrator.
  • Service Accounts and Impersonation Service account key exposure and hygiene, service account impersonation chains (actAs, token creation), default and over-privileged service accounts on Compute and GKE, and workload identity misconfiguration.
  • Cloud Storage (GCS) Bucket IAM and ACLs, public and allUsers/allAuthenticatedUsers exposure, uniform vs fine-grained access, signed URL handling, and sensitive data exposure.
  • Compute Engine and Metadata Instance metadata server access and SSRF-based token theft, OS Login and SSH key exposure, firewall and public IP exposure, and disk and image permissions.
  • Cloud Functions and Serverless Function service-account permissions, environment variable secrets, insecure triggers, and privilege escalation via deployment.
  • GKE and Containers Cluster RBAC, workload identity, node and pod-level credential access, network policy enforcement, and container breakout paths. (See our Kubernetes and container penetration testing for deeper cluster testing.)
  • Networking and Perimeter VPC segmentation, firewall rules, Shared VPC trust, exposed load balancers, and Private Service Connect and VPC peering paths.
  • Organisation and Resource Hierarchy Organisation policies, folder and project IAM inheritance, and cross-project trust that allows movement across the estate.
  • Detection and Logging Whether Cloud Audit Logs, Security Command Center, and Cloud Logging detected our activity, and where coverage gaps exist.
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Our GCP Penetration Testing Process

We follow a structured, Azure-specific process aligned to Microsoft’s testing rules and the shared-responsibility model, so results are realistic and safe for production.

Scoping and policy alignment.

Confirm scope against Google’s acceptable use and testing policy, agree in-scope projects and services, document authorisation, and set access (typically a read-only Viewer or Security Reviewer role).

Map projects, IAM, service accounts, resources, and network topology to build the real attack surface.

Test IAM and service-account privilege escalation, GCS exposure, metadata token theft, Cloud Functions and GKE flaws, and cross-project lateral movement.

Assess reachable data, cross-project access, and paths to organisation-wide control, and validate whether Security Command Center and audit logging detected the activity.

Exploit-validated findings, business-impact ratings, developer-ready fixes. See our full penetration testing services.

To confirm every fix holds.

Google Cloud Penetration Testing Policy

Google permits customers to run penetration testing against their own GCP projects and resources without prior approval or notification, provided you comply with the Google Cloud Acceptable Use Policy and Terms of Service.

Permitted: testing of resources within your own projects and organisation (Compute, Storage, IAM, GKE, Cloud Functions, and other services you control).

Prohibited: denial-of-service and DDoS, testing that affects other customers or Google-owned infrastructure, and any activity that violates the Acceptable Use Policy. How we work within the policy: scope confirmed before testing, prohibited techniques excluded by default, testing rate-limited, and written authorisation documented for every engagement.

GCP Penetration Testing Checklist

  • IAM: no over-broad primitive roles (Owner/Editor), least-privilege custom roles
  • Service accounts: no exported keys where avoidable, impersonation restricted, workload identity used
  • Cloud Storage: no allUsers/allAuthenticatedUsers access, uniform bucket-level access
  • Compute: metadata concealment where possible, OS Login enforced, firewall least-privilege
  • GKE: workload identity, no privileged pods, network policies enforced
  • Org policy: constraints enforced (key creation, external access, public IPs)
  • Logging: Cloud Audit Logs and Security Command Center enabled

Want the full checklist? Download the GCP Penetration Testing Checklist (PDF)

Key Benefits of Our GCP Penetration Testing Service

Close identity and service-account risk

The escalation paths that lead to project and org compromise.

Protect data in GCP

Cloud Storage, Cloud SQL, and secrets exposure.

Compliance assurance

PCI DSS, HIPAA, ISO 27001, SOC 2, GDPR. Pair with our red team services for adversary-driven validation.

Detection validation

Whether Security Command Center and Cloud Audit Logs catch real attack activity.

Reporting for every audience

Board-ready risk narrative and developer-ready remediation.

FAQ - GCP Penetration Testing

  • A manual, expert-led security assessment of your Google Cloud environment that finds and proves exploitable weaknesses across IAM, service accounts, storage, compute, and GKE, going beyond automated scanning.
  • Yes. Google permits testing of your own projects and resources without prior approval, provided you follow the Google Cloud Acceptable Use Policy. DoS and tests affecting other customers are prohibited.
  • Yes. Service-account impersonation and IAM escalation are the highest-impact GCP attack paths, and a core focus of every engagement.
  • Yes. We run combined multi-cloud engagements across AWS, Azure, and GCP under a single scope.
  • Typically a read-only Viewer or Security Reviewer role plus the in-scope project list. For grey-box testing we may request limited credentials to simulate a compromised user.
  • No. Testing is rate-limited, destructive techniques are excluded, and anything with potential availability impact requires explicit approval and a scheduled window.
  • It depends on project count, services in scope, and depth. Request a scoped quote and we will return pricing within 5 hours.

Secure Your Google Cloud Environment Before an Attacker Does

Get a scoped GCP penetration testing plan and quote within 5 hours, reviewed by a senior operator. Exploit-proven findings, developer-ready fixes, and a free retest included.

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