Office 365 ATP can now be integrated into your SIEM

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Office 365 Advanced Threat protection and Office 365 threat intelligence logs can now be integrated into your SIEM solution.

Threats discovered by these services can be made available on the audit.general workload of the Office 365 Management APIs.

What are the Office 365 Management APIs?

The Office 365 Management APIs are essentially the API version of the Office 365 Unified Audit Log

To get your Office 365 ATP info into your SIEM, you’ll need to have the Unified Audit Log enabled for your tenant. Unfortunately, it’s not enabled by default.

How to enable the Office 365 Unified Audit Log

The Office 365 Unified Audit Log is an important and useful tool which can help you secure your Microsoft Cloud environment. If you’re a Microsoft Partner, we have a longer article on enabling this for your customers’ tenants here, but to enable it for a single tenant, you have two options.

Enable the Office 365 Unified Audit Log via the Security and Compliance Center

  1. You can log into the Security and Compliance Center at protection.office.com as a global or security administrator.
  2. You’ll find the setting under Search and Investigation, Audit Log Search.
  3. If the audit log isn’t enabled, click Start recording user and admin activities

Enable the Office 365 Unified Audit Log via Powershell

  1. Connect to Exchange Online via Powershell
  2. Type: Set-AdminAuditLogConfig -UnifiedAuditLogIngestionEnabled $true

Connect your SIEM to the Office 365 Management APIs

Once the audit log is enabled, threats discovered by Office 365 ATP and Threat Intelligence will be available on the audit.general endpoint of the Office 365 Management API. For more information on setting this up, see the official Microsoft documentation here.