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CCC.Core.C05: Prevent Access from Untrusted Entities

Control ID:CCC.Core.C05
Title:Prevent Access from Untrusted Entities
Objective:Ensure that secure access controls enforce the principle of least privilege to restrict access to authorized entities from explicitly trusted sources only.
Control Family:
Identity and Access Management

Guideline Mappings

Reference IDEntry IDStrengthRemarks
NIST-CSF
PR.AC-3
0
-
CCM
DSP-01
1
Security and Privacy Policy and Proceduress
CCM
DSP-07
1
Data Protection by Design and Default
CCM
DSP-08
1
Data Privacy by Design and Default
CCM
DSP-10
1
Sensitive Data Transfer
CCM
DSP-17
0
Sensitive Data Protection
ISO_27001
2013 A.13.1.3
0
-
NIST_800_53
AC-3
0
-

Assessment Requirements

IDDescriptionApplicability
CCC.Core.C05.TR01When an attempt is made to modify data on the service or a child resource, the service MUST block requests from unauthorized entities.
tlp-clear
tlp-green
tlp-amber
tlp-red
CCC.Core.C05.TR02When administrative access or configuration change is attempted on the service or a child resource, the service MUST refuse requests from unauthorized entities.
tlp-clear
tlp-green
tlp-amber
tlp-red
CCC.Core.C05.TR03When administrative access or configuration change is attempted on the service or a child resource in a multi-tenant environment, the service MUST refuse requests across tenant boundaries unless the origin is explicitly included in a pre-approved allowlist.
tlp-clear
tlp-green
tlp-amber
tlp-red
CCC.Core.C05.TR04When data is requested from outside the trust perimeter, the service MUST refuse requests from unauthorized entities.
tlp-amber
tlp-red
CCC.Core.C05.TR05When any request is made from outside the trust perimeter, the service MUST NOT provide any response that may indicate the service exists.
tlp-red
CCC.Core.C05.TR06When any request is made to the service or a child resource, the service MUST refuse requests from unauthorized entities.
tlp-green
tlp-amber
tlp-red