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Restrict Private Endpoints to Authorized Targets and Principals

CCC.VPC.CN05 · Networking

Ensure that private endpoints only reach resources inside the trust perimeter and only serve authorized principals, so that an endpoint cannot become a path for data exfiltration or unauthorized access.

Related Capabilities

IDTitleDescription
CCC.VPC.CP17Private EndpointsThe service can be configured with private endpoints that allow resources within the virtual network to reach other cloud services without traversing the public internet.

Related Threats

IDTitleDescription
CCC.VPC.TH05Private Endpoint Policies Permit Access by Unintended PrincipalsPrivate endpoint policies that are overly permissive may inadvertently expose resources within the VPC to unintended principals or external threats.

Assessment Requirements

IDTextApplicability
CCC.VPC.CN05.AR01When a private endpoint is created, the service MUST restrict the endpoint to target resources owned by accounts inside the organization's trust perimeter.tlp-green, tlp-amber, tlp-red
CCC.VPC.CN05.AR02When a request through a private endpoint originates from a principal outside the organization's trust perimeter, the service MUST deny the request.tlp-amber, tlp-red

Guideline Mappings

FrameworkIDRemarks
NIST_800_53AC-4
NIST_800_53SC-7