External Microsoft Teams Sender Domain Risk

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This query ranks external Microsoft Teams sender domains by threat volume, split by conversation type, with threat rate and low-reputation URL counts.

Attribute Value
Type Hunting Query
Solution GitHub Only
ID 91dffff3-b1f9-48bd-b0de-a8940b32e265
Tactics InitialAccess
Techniques T1566
Required Connectors MicrosoftThreatProtection
Source [View on GitHub](https://github.com/Azure/Azure-Sentinel/blob/master/Hunting Queries/Microsoft%20365%20Defender/Email%20and%20Collaboration%20Queries/Microsoft%20Teams%20protection/External%20Microsoft%20Teams%20Sender%20Domain%20Risk.yaml)

Tables Used

This content item queries data from the following tables:

Table Selection Criteria Transformations Ingestion API Lake-Only
MessageEvents IsExternalThread == "1"
IsOwnedThread == "0"
✓ ✗ ✓
MessageUrlInfo ✓ ✗ ✓

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