Connect Microsoft Sentinel to STIX/TAXII threat intelligence feeds
The most widely adopted industry standard for the transmission of threat intelligence is a combination of the STIX data format and the TAXII protocol. If your organization receives threat indicators from solutions that support the current STIX/TAXII version (2.0 or 2.1), you can use the Threat Intelligence - TAXII data connector to bring your threat indicators into Microsoft Sentinel. This connector enables a built-in TAXII client in Microsoft Sentinel to import threat intelligence from TAXII 2.x servers.
To import STIX formatted threat indicators to Microsoft Sentinel from a TAXII server, you must get the TAXII server API Root and Collection ID, and then enable the Threat Intelligence - TAXII data connector in Microsoft Sentinel.
Learn more about Threat Intelligence in Microsoft Sentinel, and specifically about the TAXII threat intelligence feeds that can be integrated with Microsoft Sentinel.
Note
For information about feature availability in US Government clouds, see the Microsoft Sentinel tables in Cloud feature availability for US Government customers.
Important
Microsoft Sentinel is now generally available within the Microsoft unified security operations platform in the Microsoft Defender portal. For more information, see Microsoft Sentinel in the Microsoft Defender portal.
See also: Connect your threat intelligence platform (TIP) to Microsoft Sentinel
Prerequisites
- In order to install, update and delete standalone content or solutions in content hub, you need the Microsoft Sentinel Contributor role at the resource group level.
- You must have read and write permissions to the Microsoft Sentinel workspace to store your threat indicators.
- You must have a TAXII 2.0 or TAXII 2.1 API Root URI and Collection ID.
Get the TAXII server API Root and Collection ID
TAXII 2.x servers advertise API Roots, which are URLs that host Collections of threat intelligence. You can usually find the API Root and the Collection ID in the documentation pages of the threat intelligence provider hosting the TAXII server.
Note
In some cases, the provider will only advertise a URL called a Discovery Endpoint. You can use the cURL utility to browse the discovery endpoint and request the API Root.
Install the Threat Intelligence solution in Microsoft Sentinel
To import threat indicators into Microsoft Sentinel from a TAXII server, follow these steps:
For Microsoft Sentinel in the Azure portal, under Content management, select Content hub.
For Microsoft Sentinel in the Defender portal, select Microsoft Sentinel > Content management > Content hub.Find and select the Threat Intelligence solution.
Select the Install/Update button.
For more information about how to manage the solution components, see Discover and deploy out-of-the-box content.
Enable the Threat intelligence - TAXII data connector
To configure the TAXII data connector, select the Data connectors menu.
Find and select the Threat Intelligence - TAXII data connector > Open connector page button.
Enter a friendly name for this TAXII server Collection, the API Root URL, the Collection ID, a Username (if required), and a Password (if required), and choose the group of indicators and the polling frequency you want. Select the Add button.
You should receive confirmation that a connection to the TAXII server was established successfully, and you may repeat the last step above as many times as you want, to connect to multiple Collections from one or more TAXII servers.
Within a few minutes, threat indicators should begin flowing into this Microsoft Sentinel workspace. You can find the new indicators in the Threat intelligence blade, accessible from the Microsoft Sentinel navigation menu.
IP allow listing for the Microsoft Sentinel TAXII client
Some TAXII servers, like FS-ISAC, have a requirement to keep the IP addresses of the Microsoft Sentinel TAXII client on the allowlist. Most TAXII servers don't have this requirement.
When relevant, the following IP addresses are those to include in your allowlist:
- 20.193.17.32
- 20.197.219.106
- 20.48.128.36
- 20.199.186.58
- 40.80.86.109
- 52.158.170.36
- 20.52.212.85
- 52.251.70.29
- 20.74.12.78
- 20.194.150.139
- 20.194.17.254
- 51.13.75.153
- 102.133.139.160
- 20.197.113.87
- 40.123.207.43
- 51.11.168.197
- 20.71.8.176
- 40.64.106.65
Related content
In this document, you learned how to connect Microsoft Sentinel to threat intelligence feeds using the TAXII protocol. To learn more about Microsoft Sentinel, see the following articles.
- Learn how to get visibility into your data and potential threats.
- Get started detecting threats with Microsoft Sentinel.
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