Microsoft 365 Defender

Microsoft Defender for Office 365 helps organizations secure their enterprise with a set of prevention, detection, investigation, and hunting capabilities to protect emails and Office 365 resources.

To learn more about the service see the documentation on Microsoft 365 Defender.

Prerequisites

Permissions

• "Global Administrator" role in Azure AD
• "Organization Admin" role in MD.ECO
• At least one Microsoft 365 Defender module configured and licensed
  • Microsoft Defender for Endpoint

    • Defender for Endpoint Plan 2 licenses

      or

    • Defender for Business licenses

      or

    • Defender for Cloud - Defender for Server Plan 2 licenses

  • Microsoft Defender for Identity
  • Microsoft Defender for Office 365
    • Defender for Office 365 Plan 2 licenses
  • Microsoft Defender for Cloud Apps
  • Microsoft Data Loss Prevention

Configuration Steps

Registering an application for the connector

Required Configuration

• General settings
  • Name: MD.ECO - Connector - M365 Defender
  • Supported account types: Accounts in this organizational directory only (default option)
• One secret
• Required API permissions

Required API permissions

Microsoft Graph (2)

Permission Name	Permission Type	Description
User.Read.All	Application	Read user profile information
SecurityIncident.ReadWrite.All	Application	Read and write to all security incidents

WindowsDefenderATP (6)

Permission Name	Permission Type	Description
Machine.Read.All	Application	Read all machine profiles
Vulnerability.Read.All	Application	Read vulnerability information for threat and vulnerability management
Software.Read.All	Application	Read software information for threat and vulnerability management
User.Read.All	Application	Read user profile information
AdvancedQuery.Read.All	Application	Execute advanced queries

Step-by-Step Guide

• Microsoft reference documentation: Quickstart: Register an application in the Microsoft identity platform - Microsoft Entra | Microsoft Learn
• Register the application
• Add API Permissions
• Administrator consent
• Add a Secret

(Optional) Registering a remediation application [Beta]

It is possible to register a new application to separate remediation rights from the base application for the connector. It's also possible to simply add the required permissions in the same application.

Required Configurations

• General settings
  • Name: MD.ECO - Connector - Microsoft 365 Defender - Remediation
  • Supported account types: Accounts in this organizational directory only (Default option)
• One secret
• Remediation API permissions

Remediation API permissions

Microsoft Graph (1)

Permission Name	Permission Type
User.ReadWrite.All	Application

WindowsDefenderATP (2)

Permission Name	Permission Type
Machine.Isolate	Application
Machine.Scan	Application

Create the Azure application secret in MD.ECO and notify Mondata when completed