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CCC.ObjStor.C02: Enforce Uniform Bucket-level Access to Prevent Inconsistent Permissions

Objective:Ensure that uniform bucket-level access is enforced across all object storage buckets. This prevents the use of ad-hoc or inconsistent object-level permissions, ensuring centralized, consistent, and secure access management in accordance with the principle of least privilege.
Control Family:
Identity and Access Management
Threats:
IDTitleDescription
CCC.TH01Access Control is MisconfiguredAn attacker can exploit misconfigured access controls to grant excessive privileges or gain unauthorized access to sensitive resources.
NIST CSF:
PR.AC-4

Control Mappings

CCM:
DCS-09
ISO_27001:
2013 A.9.4.1
NIST_800_53:
AC-3
AC-6

Test Requirements

CCC.ObjStor.C02.TR01:When a permission set is allowed for an object in a bucket, the service MUST allow the same permission set to access all objects in the same bucket.
TLP:
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CCC.ObjStor.C02.TR02:When a permission set is denied for an object in a bucket, the service MUST deny the same permission set to access all objects in the same bucket.
TLP:
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