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Vendor:
Microsoft Defender for Endpoint
FIN-273
Weight:
5
4
3
2
1
Confidence:
High
Medium
Low
Edited:
2026-03-06 09:03
Verified
What It Detects
An IT-unmanaged device has an active high-severity alert. Unmanaged devices lack an assigned owner or management authority, meaning there is no clear responsible party to investigate, contain, or remediate the threat. This creates a dangerous gap in incident response: a high-severity security event is occurring on a device that falls outside normal IT governance, potentially delaying response while ownership is determined.
MITRE ATT&CK Techniques
Comma-separated, e.g. T1078, T1190
Checks
read-only
Field
Operator
Value
managedBy
is_empty
True
severity
equals
High
status
in
['New', 'InProgress']
Remediation
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×
×
×
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Why It Matters
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