Your enterprise organization is deploying Gemini Enterprise to provide employees with conversational AI assistants and custom AI agents connected to sensitive internal knowledge repositories. Your security team mandates strict security and governance controls with the following requirements: Protect connected enterprise data against unauthorized exfiltration to the public internet. Restrict access to the Gemini Enterprise web interface so that requests are accepted only from trusted corporate IP ranges. Grant standard employees the minimum necessary Identity and Access Management (IAM) permissions to interact with and access apps. Which architectural solution should you implement to satisfy these security and governance requirements?

Configure a VPC Service Controls perimeter enclosing the Gemini Enterprise project, add the Discovery Engine API (`discoveryengine.googleapis.com`) as a restricted service, apply an Access Context Manager basic access level matching corporate IP subnetworks, and grant users the Discovery Engine User (`roles/discoveryengine.user`) IAM role.: What VPC Service Controls and Gemini Enterprise IAM Are VPC Service Controls (VPC-SC) provides perimeter-based security for Google Cloud services to prevent data exfiltration and control access from unauthorized networks. In Gemini Enterprise, the underlying service is powered by the Discovery Engine API (discoveryengine.googleapis.com). Identity and Access Management (IAM) provides fine-grained authorization, with Discovery Engine User (roles/discoveryengine.user) being the dedicated predefined role for end-user app interaction. How It Meets the Requirements Mitigating Data Exfiltration: Placing the Gemini Enterprise project inside a VPC Service Controls service perimeter and restricting discoveryengine.googleapis.com ensures that the API cannot be reached from the public internet and prevents data from leaving trusted boundaries. Gating Access by IP: Access Context Manager creates context-aware access levels specifying allowed corporate IP subnetworks, enforcing perimeter entry only from authorized corporate egress points. Least Privilege IAM: Assigning the Discovery Engine User (roles/discoveryengine.user) role grants the exact permissions required for employees to use search and conversational assistant applications without over-granting administrative capabilities. Key Advantages and Capabilities Perimeter Defense: Blocks unauthorized egress and public API exposure for enterprise search and agent workflows. Context-Aware Gating: Evaluates incoming client attributes such as IP subnetwork before honoring requests. Granular Role Separation: Clearly separates app consumers (roles/discoveryengine.user) from catalog administrators (roles/discoveryengine.admin). Automated Assistant Safeguards: Automatically disables unapproved assistant actions across the perimeter boundary unless specifically allowlisted. Why This Is Optimal This solution uses native Google Cloud security controls (VPC Service Controls, Access Context Manager, and predefined IAM roles) designed specifically for Gemini Enterprise and Discovery Engine architectures.

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Gemini Enterprise Security Vpcsc Iam Access Control

Section: Integrating Gemini Enterprise features (AI Agents and NotebookLM) to enhance workflows

Your enterprise organization is deploying Gemini Enterprise to provide employees with conversational AI assistants and custom AI agents connected to sensitive internal knowledge repositories. Your security team mandates strict security and governance controls with the following requirements:

Protect connected enterprise data against unauthorized exfiltration to the public internet.
Restrict access to the Gemini Enterprise web interface so that requests are accepted only from trusted corporate IP ranges.
Grant standard employees the minimum necessary Identity and Access Management (IAM) permissions to interact with and access apps.

Which architectural solution should you implement to satisfy these security and governance requirements?

Deploy Google Cloud Armor security policies with WAF rules on an External Application Load Balancer, add cloudaicompanion.googleapis.com to a VPC Service Controls perimeter, and grant users the Discovery Engine Admin (roles/discoveryengine.admin) IAM role.

Configure a VPC Service Controls perimeter enclosing the Gemini Enterprise project, add the Discovery Engine API (discoveryengine.googleapis.com) as a restricted service, apply an Access Context Manager basic access level matching corporate IP subnetworks, and grant users the Discovery Engine User (roles/discoveryengine.user) IAM role.

Configure VPC egress firewall rules to restrict outbound traffic to private Google APIs, define IAM Conditions on the Cloud Assist User (roles/geminicloudassist.user) role, and restrict access using a Workforce Identity Federation pool.

Establish Private Service Connect endpoints for Vertex AI APIs, apply an Organization Policy constraint for Resource Location Restriction, and assign employees the basic Viewer (roles/viewer) IAM role at the project level.

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Gemini Enterprise Security Vpcsc Iam Access Control

Section: Integrating Gemini Enterprise features (AI Agents and NotebookLM) to enhance workflows

Protect connected enterprise data against unauthorized exfiltration to the public internet.
Restrict access to the Gemini Enterprise web interface so that requests are accepted only from trusted corporate IP ranges.
Grant standard employees the minimum necessary Identity and Access Management (IAM) permissions to interact with and access apps.

Which architectural solution should you implement to satisfy these security and governance requirements?

Explanations

What VPC Service Controls and Gemini Enterprise IAM Are

VPC Service Controls (VPC-SC) provides perimeter-based security for Google Cloud services to prevent data exfiltration and control access from unauthorized networks. In Gemini Enterprise, the underlying service is powered by the Discovery Engine API (discoveryengine.googleapis.com). Identity and Access Management (IAM) provides fine-grained authorization, with Discovery Engine User (roles/discoveryengine.user) being the dedicated predefined role for end-user app interaction.

How It Meets the Requirements

Mitigating Data Exfiltration: Placing the Gemini Enterprise project inside a VPC Service Controls service perimeter and restricting discoveryengine.googleapis.com ensures that the API cannot be reached from the public internet and prevents data from leaving trusted boundaries.
Gating Access by IP: Access Context Manager creates context-aware access levels specifying allowed corporate IP subnetworks, enforcing perimeter entry only from authorized corporate egress points.
Least Privilege IAM: Assigning the Discovery Engine User (roles/discoveryengine.user) role grants the exact permissions required for employees to use search and conversational assistant applications without over-granting administrative capabilities.

Key Advantages and Capabilities

Perimeter Defense: Blocks unauthorized egress and public API exposure for enterprise search and agent workflows.
Context-Aware Gating: Evaluates incoming client attributes such as IP subnetwork before honoring requests.
Granular Role Separation: Clearly separates app consumers (roles/discoveryengine.user) from catalog administrators (roles/discoveryengine.admin).
Automated Assistant Safeguards: Automatically disables unapproved assistant actions across the perimeter boundary unless specifically allowlisted.

Why This Is Optimal

This solution uses native Google Cloud security controls (VPC Service Controls, Access Context Manager, and predefined IAM roles) designed specifically for Gemini Enterprise and Discovery Engine architectures.

View source documentation

Professional Cloud Architect

Gemini Enterprise Security Vpcsc Iam Access Control

Professional Cloud Architect

Gemini Enterprise Security Vpcsc Iam Access Control

What VPC Service Controls and Gemini Enterprise IAM Are

How It Meets the Requirements

Key Advantages and Capabilities

Why This Is Optimal

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