Defender Extension Exception (MacOS)

This guide will show an administrator how to specify a file extension that will be excluded from Defender Antivirus interference.

Role Requirements

Procedure Scope: Administrators

Required Group Membership: Admin.Security

Handbook Reference

Package: TBD

Domain: TBD

Modifies: TBD

Defender macOS Extension Exclusion

1. Navigate to the Configuration Profiles - Intune Select the Security Essentials macOS Defender Settings configuration profile.
   
2. Scroll down to Configuration Settings and select Edit.
   
3. Find the Scan Exclusions section and hit Add a field should be generated below, click Edit Instance to configure the item to be an extension exclusion.
   
4. In the box below, enter the types of file extensions in which Defender Antivirus should ignore. It is recommended that these are not commonly malicious file extensions – such as .dat, .dmg, etc. Enter a period followed by the extension.
   
5. Click Review and Save on the next page, followed by Save. Rule changes propagate in less than 24 hours.
   

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