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Detect NTLMv1 Authentications

This query detects NTLM v1 authentications using Falcon ITP telemetry.

CQL · Falcon Next-Gen SIEMCopy query
#event.dataset="falcon.identity"
| network.protocol="ntlm_v1"
| groupBy([SourceAccountUserName, host.hostname, TargetServerHostName])
detect_ntlmv1_authentications.yml
ByteRay GmbH
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Identity
Identity
2025-08-26
2026-01-17

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