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Checks that GCP Cloud Storage buckets are not publicly accessible.

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Why This Matters

Resources directly exposed to the internet are vulnerable to scanning, brute force attacks, exploitation of known vulnerabilities, and data exfiltration. Network segmentation and access controls are fundamental to defense-in-depth strategies required by SOC 2, ISO 27001, and PCI DSS.

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What DSALTA Checks

DSALTA connects to your Google Cloud Platform (GCP) environment using read-only API access and evaluates this configuration on every sync cycle. The test result appears in your Data Library → Tests dashboard:
  • Passing — The configuration meets requirements. No action needed.
  • Failing — The configuration does not meet requirements. Follow the remediation steps below.
  • Not configured — The integration is connected but the required service or feature has not been set up yet.
This test runs automatically every 24 hours. If you fix the underlying issue, DSALTA will detect the change on the next sync cycle and update the status to Passing. You can also trigger a manual sync from Settings → Integrations → Google Cloud Platform (GCP).

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How to Fix

If this test is failing, follow these steps to remediate:
  1. Sign in to the Google Cloud Console and navigate to Cloud Storage → Buckets.
  2. Select the bucket and go to the Permissions tab.
  3. Remove any IAM bindings for allUsers or allAuthenticatedUsers.
  4. Enable Uniform bucket-level access to simplify permission management.
  5. Set organization policy constraints/storage.uniformBucketLevelAccess to enforce this.
  6. Once configured, DSALTA will detect the change on the next sync and update the test status to Passing.

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Frequently Asked Questions

This test runs automatically every 24 hours when the Google Cloud Platform (GCP) integration is connected. You can trigger a manual sync at any time from the integration settings page.
A failing test generates an alert in your DSALTA dashboard. The assigned responsible role receives a notification. Remediate the issue before it affects your compliance posture.
Yes. If this test does not apply to your environment, you can mark it as Not Applicable with a justification. This exclusion is documented for auditors.
No. DSALTA uses read-only API access and never modifies, creates, or deletes resources in your environment. Remediation actions must be performed by your team directly in Google Cloud Platform (GCP).