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PROFESSIONAL-CLOUD-SECURITY-ENGINEER · Question #228

Your organization recently activated the Security Command Center (SCC) standard tier. There are a few Cloud Storage buckets that were accidentally made accessible to the public. You need to…

The correct answer is C. 1. Change the bucket permissions to limit access. When SCC detects publicly accessible Cloud Storage buckets, the correct remediation sequence is: (1) change the bucket's IAM permissions or uniform bucket-level access settings to remove 'allUsers' and 'allAuthenticatedUsers' principals, limiting access to only authorized…

Submitted by ahmad_uae· Apr 18, 2026Ensuring data protection

Question

Your organization recently activated the Security Command Center (SCC) standard tier. There are a few Cloud Storage buckets that were accidentally made accessible to the public. You need to investigate the impact of the incident and remediate it. What should you do?

Options

  • A
    1. Remove the Identity and Access Management (IAM) granting access to all Users from the
  • B
    1. Change permissions to limit access for authorized users.
  • C
    1. Change the bucket permissions to limit access.
  • D
    1. Change bucket permissions to limit access.

How the community answered

(36 responses)
  • A
    6% (2)
  • B
    11% (4)
  • C
    81% (29)
  • D
    3% (1)

Explanation

When SCC detects publicly accessible Cloud Storage buckets, the correct remediation sequence is: (1) change the bucket's IAM permissions or uniform bucket-level access settings to remove 'allUsers' and 'allAuthenticatedUsers' principals, limiting access to only authorized identities; then (2) use SCC's findings and Cloud Audit Logs / Data Access logs to investigate what data may have been accessed during the exposure window. Option C matches this two-step pattern - fix first to stop the bleeding, then investigate impact. Option A references removing IAM granting access 'to all Users' but is incomplete as shown. Options B and D are variations that either skip investigation or reverse the remediation-before-investigation order. Restricting access before investigating is correct because it stops ongoing exposure immediately.

Topics

#Cloud Storage Security#Access Control#Public Data Remediation#Storage Permissions

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