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This query lists inbound sender domains with the most email authentication failures (DMARC, DKIM, SPF, and Composite Authentication), using the EmailEvents table.
| Attribute | Value |
|---|---|
| Type | Hunting Query |
| Solution | Microsoft Defender XDR |
| ID | 80067390-3954-4276-bbca-8d4be1df0591 |
| Tactics | InitialAccess |
| Techniques | T1566 |
| Required Connectors | MicrosoftThreatProtection |
| Source | View on GitHub |
This content item queries data from the following tables:
| Table | Selection Criteria | Transformations | Ingestion API | Lake-Only |
|---|---|---|---|---|
EmailEvents |
EmailDirection == "Inbound"OrgLevelPolicy !in "Phishing simulation,SecOps Mailbox" |
✓ | ✗ | ✓ |
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