ORCA.232 - Each domain has a malware filter policy applied to it, or the default policy is being used.

Overview

Exchange Online Protection malware filter policies are applied using rules. The default policy applies in the absence of a custom policy. When creating custom policies, there may be duplication of settings and depending on the rules and priority, some policies or settings may not even apply. It's important in this circumstance to check that the desired settings are applied to the right users.

Remediation action

Check your malware filter policies for duplicate rules. Some policies and settings may not be applying.

Related Links

• Microsoft 365 Defender Portal - Anti-malware policies
• Order and precedence of email protection

Test Metadata

Field	Value
Test ID	ORCA.232
Severity	High
Suite	ORCA
Category	EXO
PowerShell test	Test-ORCA232
Tags	EXO, ORCA, ORCA.232

Source

• Pester test: tests/orca/Test-ORCA232.Tests.ps1
• PowerShell source: powershell/public/orca/Test-ORCA232.ps1