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 Microsoft Defender XDR
ID 4f859dbb-68cf-48d3-812b-7dd19f11e495
Tactics InitialAccess
Techniques T1566
Required Connectors MicrosoftThreatProtection
Source View on GitHub

⚠️ Not listed in Solution JSON: This content item was discovered by scanning the solution folder but is not included in the official Solution JSON file. It may be a legacy item, under development, or excluded from the official solution package.

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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