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Activate Security Command Center (SCC) Premium: Security Command Center (SCC) Premium provides advanced security analytics and best practice recommendations for your Google Cloud environment. It includes functionalities such as asset discovery, vulnerability scanning, and security findings.

Create a Custom Rule to Mute Irrelevant Security Findings:

Navigate to the Security Command Center (SCC) in the Google Cloud Console.

Go to the "Settings" tab and find the "Mute findings" section.

Create a new mute rule by specifying the conditions that match the irrelevant controls you want to disregard. These conditions can be based on attributes such as resource type, finding type, and other metadata.

Apply this mute rule, which will ensure that the specified findings are not evaluated in your security posture assessments.

Ensure Continuous Compliance Monitoring:

The mute rules will automatically filter out the irrelevant findings, ensuring that only relevant controls from the CIS Google Cloud Computing Foundations Benchmark v1.3.0 are evaluated.

Regularly review and update the mute rules to adapt to any changes in your compliance requirements or security posture.

References:

Security Command Center Documentation

Creating and Managing Mute Rules

To ensure that the developers can view audit logs for the development environment and the security team can review all logs, you should grant IAM roles at the appropriate resource levels:

Grant logging.admin Role to the Security Team:

Assign the logging.admin role to the security team at the organization resource level.

This grants the security team full access to all logging data across the organization, including both production and development environments.

Grant logging.viewer Role to the Developer Team:

Assign the logging.viewer role to the developer team at the folder resource level that contains all the development projects.

This restricts the developers' access to only view logs in the development environment, ensuring they do not have access to production logs.

By using these roles and assigning them at the appropriate levels, you ensure that each team has the access they need while adhering to the principle of least privilege.

References:

IAM Roles for Cloud Logging

Resource Hierarchy in Google Cloud

Use Google Shielded VM including secure boot Virtual Trusted Platform Module (vTPM) and integrity monitoring: Shielded VMs provide verifiable integrity of the VM by ensuring that it was not tampered with or compromised at the boot level. They use features like Secure Boot, vTPM, and integrity monitoring to detect and prevent malicious changes to the VM's operating system and firmware.

Activate Confidential Computing: Confidential Computing provides a secure environment for processing sensitive data. It uses hardware-based enclaves to protect data in use by ensuring it cannot be accessed by the underlying host or any other unauthorized entity. By leveraging Intel SGX or AMD SEV, it ensures that data remains encrypted even when it is being processed.

Enforce these actions by using organization policies: Organization policies can enforce the use of Shielded VMs and Confidential Computing across your organization. This ensures that all VMs comply with these security measures without requiring manual configuration for each VM.

References

Shielded VMs documentation

Confidential Computing documentation

Organization Policies documentation