GCP Storage Misconfiguration Scanner
Detects misconfigured Google Cloud Storage buckets.
What is GCP Storage Misconfiguration?
GCP Storage Misconfiguration testing identifies dangerous access settings on Cloud Storage buckets: public access, overly permissive IAM policies, allUsers/allAuthenticatedUsers permissions, and missing encryption. GCP bucket misconfigurations expose data similar to AWS S3 and Azure Blob.
Why is This Important?
GCP Cloud Storage misconfigurations have exposed sensitive data from major organizations. Public buckets are trivially discovered. The IAM model differs from AWS/Azure, creating unique misconfiguration patterns. Uniform bucket-level access adds complexity that can lead to mistakes.
How It Works
1. Cloud Asset Discovery
Inventories cloud resources across AWS, Azure, and GCP including storage, compute, IAM, and networking.
2. Configuration Audit
Analyzes cloud configurations against CIS benchmarks and security best practices for misconfigurations.
3. Risk Prioritization
Prioritizes findings by exploitability and business impact with cloud-native remediation steps.
Key Capabilities
Multi-cloud security posture management for AWS, Azure, and GCP with continuous compliance monitoring.
- Cross-cloud asset inventory and visibility
- CIS benchmark and compliance validation
- IAM policy and permission analysis
- Storage and data exposure detection
- Infrastructure-as-code security scanning
Frequently Asked Questions
What GCP storage misconfigurations should I check?
Check for: allUsers or allAuthenticatedUsers in IAM, bucket-level vs. uniform access confusion, overly permissive object ACLs, public access prevention disabled, missing customer-managed encryption keys, and access logs disabled.
What's unique about GCP storage security?
GCP-specific: two access control systems (ACLs and IAM), uniform bucket-level access option, organization-level public access prevention, allAuthenticatedUsers includes ANY Google account (not just your org), and signed URLs for temporary access.
How does uniform bucket-level access affect security?
Uniform access simplifies security by disabling object ACLs—only bucket-level IAM applies. However, migrating to uniform can expose objects if bucket IAM is more permissive than object ACLs were. Test thoroughly before enabling.
How do I secure GCP storage buckets?
Security: enable organization-level public access prevention, use uniform bucket-level access, remove allUsers/allAuthenticatedUsers, implement VPC Service Controls for sensitive data, enable access logs, use CMEK for encryption, and regularly audit with Security Command Center.
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