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Cisco Duo Security (using Azure Functions) connector for Microsoft Sentinel

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The Cisco Duo Security data connector provides the capability to ingest authentication logs, administrator logs, telephony logs, offline enrollment logs and Trust Monitor events into Microsoft Sentinel using the Cisco Duo Admin API. Refer to API documentation for more information.

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Connector attributes

Connector attribute Description
Log Analytics table(s) CiscoDuo_CL
Data collection rules support Not currently supported
Supported by Microsoft Corporation

Query samples

All Cisco Duo logs

CiscoDuo_CL

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Prerequisites

To integrate with Cisco Duo Security (using Azure Functions) make sure you have:

  • Microsoft.Web/sites permissions: Read and write permissions to Azure Functions to create a Function App is required. See the documentation to learn more about Azure Functions.
  • Cisco Duo API credentials: Cisco Duo API credentials with permission Grant read log is required for Cisco Duo API. See the documentation to learn more about creating Cisco Duo API credentials.

Vendor installation instructions

Note

This connector uses Azure Functions to connect to the Cisco Duo API to pull logs into Microsoft Sentinel. This might result in additional data ingestion costs. Check the Azure Functions pricing page for details.

(Optional Step) Securely store workspace and API authorization key(s) or token(s) in Azure Key Vault. Azure Key Vault provides a secure mechanism to store and retrieve key values. Follow these instructions to use Azure Key Vault with an Azure Function App.

Note

This data connector depends on a parser based on a Kusto Function to work as expected CiscoDuo which is deployed with the Microsoft Sentinel Solution.

STEP 1 - Obtaining Cisco Duo Admin API credentials

  1. Follow the instructions to obtain integration key, secret key, and API hostname. Use Grant read log permission in the 4th step of the instructions.

STEP 2 - Choose ONE from the following two deployment options to deploy the connector and the associated Azure Function

IMPORTANT: Before deploying the data connector, have the Workspace ID and Workspace Primary Key (can be copied from the following), as well as Azure Blob Storage connection string and container name, readily available.

Option 1 - Azure Resource Manager (ARM) Template

Use this method for automated deployment of the data connector using an ARM Template.

  1. Click the Deploy to Azure button below.

    Deploy To Azure Deploy to Azure Gov

  2. Select the preferred Subscription, Resource Group and Location.

  3. Enter the Cisco Duo Integration Key, Cisco Duo Secret Key, Cisco Duo API Hostname, Cisco Duo Log Types, Microsoft Sentinel Workspace Id, Microsoft Sentinel Shared Key

  4. Mark the checkbox labeled I agree to the terms and conditions stated above.

  5. Click Purchase to deploy.

Option 2 - Manual Deployment of Azure Functions

Use the following step-by-step instructions to deploy the data connector manually with Azure Functions (Deployment via Visual Studio Code).

Next steps

For more information, go to the related solution in the Azure Marketplace.