ORCA.223 - User impersonation action is set to move to Quarantine.
Overview
User impersonation protection can detect spoofing of your sensitive users. Move messages that are caught using user impersonation detection to Quarantine.
Remediation action
Configure user impersonation action to Quarantine.
Related Links
- Microsoft 365 Defender Portal - Anti-phishing
- Recommended settings for EOP and Microsoft Defender for Office 365
Test Metadata
| Field | Value |
|---|---|
| Test ID | ORCA.223 |
| Severity | Medium |
| Suite | ORCA |
| Product | Defender |
| Related products | Exchange Online |
| Feature | Anti-phishing |
| Area | Email and collaboration protection |
| Resource type | Policy |
| User impact | Low |
| Implementation cost | Low |
| MITRE ATT&CK | T1566 Phishing, T1684.001 Impersonation |
| Supports controls | nist-800-53-r5:SI-8 |
| PowerShell test | Test-ORCA223 |
| Services | ExchangeOnline |
| Compatible licenses | ATP_ENTERPRISE |
Source
- Test:
tests/orca/Test.ORCA.223.ps1 - Documentation:
tests/orca/Test.ORCA.223.md