Cis Azure Storage 2.2.2.1
DevOps & Securitycis-azure-storage-2.2.2.1Cis Azure Storage 2.2.2.1 is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.
Ensure Private Endpoints are used to access service
How to use this skill
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2.2.2.1 Ensure Private Endpoints are used to access {service} (Automated)
Description
Use private endpoints to allow clients and services to securely access data located over a network via an encrypted Private Link. To do this, the private endpoint uses an IP address from the VNet for each service. Network traffic between disparate services securely traverses encrypted over the VNet. This VNet can also link addressing space, extending your network and accessing resources on it. Similarly, it can be a tunnel through public networks to connect remote infrastructures together. This creates further security through segmenting network traffic and preventing outside sources from accessing it.
Rationale
Securing traffic between services through encryption protects the data from easy interception and reading.
Impact
A Private Endpoint costs approximately US$7.30 per month. If an Azure Virtual Network is not implemented correctly, this may result in the loss of critical network traffic.
Audit Procedure
This is a Common Reference Recommendation. Audit and remediation procedures with full details will be found in the section dedicated to each specific service where this recommendation applies.
Expected Result
Private Endpoints should be configured and used for accessing the service, with traffic routed through the VNet rather than over the public internet.
Remediation
This is a Common Reference Recommendation. Audit and remediation procedures with full details will be found in the section dedicated to each specific service where this recommendation applies.
Default Value
By default, Private Endpoints are not created for services.
References
- https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-overview
- https://docs.microsoft.com/en-us/azure/private-link/create-private-endpoint-portal
- https://docs.microsoft.com/en-us/azure/private-link/create-private-endpoint-cli?tabs=dynamic-ip
- https://docs.microsoft.com/en-us/azure/private-link/create-private-endpoint-powershell?tabs=dynamic-ip
- https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-network-security#ns-2-secure-cloud-native-services-with-network-controls
Additional Information
A NAT gateway is the recommended solution for outbound internet access.
CIS Controls
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 12.2 Establish and Maintain a Secure Network Architecture - Establish and maintain a secure network architecture. A secure network architecture must address segmentation, least privilege, and availability, at a minimum. | x | x | |
| v7 | 14.1 Segment the Network Based on Sensitivity - Segment the network based on the label or classification level of the information stored on the servers, locate all sensitive information on separated Virtual Local Area Networks (VLANs). | x | x |
Profile
Level 2 | Automated